《相遇問(wèn)題》PPT課件之一.ppt
《《相遇問(wèn)題》PPT課件之一.ppt》由會(huì)員分享,可在線閱讀,更多相關(guān)《《相遇問(wèn)題》PPT課件之一.ppt(154頁(yè)珍藏版)》請(qǐng)?jiān)谘b配圖網(wǎng)上搜索。
相遇問(wèn)題,教學(xué)目標(biāo),本節(jié)課我們主要來(lái)學(xué)習(xí)相遇問(wèn)題,同學(xué)們結(jié)合生活實(shí)際要理解相遇問(wèn)題中“同時(shí)”、“相對(duì)而行”、“相向而行”、“相遇時(shí)間”和“速度和”的概念。掌握解答求相遇路程和求相遇時(shí)間方法,能夠解決相關(guān)的實(shí)際問(wèn)題。,基本數(shù)量關(guān)系:,速度時(shí)間=路程,知道三者中的任意兩個(gè),就可以求出第三個(gè)。,,路程速度=時(shí)間,路程時(shí)間=速度,甲地,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇,甲乙兩地相距多少千米?,乙地,,同時(shí),相對(duì)開(kāi),出,相遇,相遇,1.什么是相遇?,甲地,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇,甲乙兩地相距多少千米?,乙地,,,,,甲地,乙地,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇,甲乙兩地相距多少千米?,,,,甲地,乙地,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,,甲地,乙地,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,1小時(shí),1小時(shí),,,,甲地,乙地,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,1小時(shí),1小時(shí),,,,甲地,乙地,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,1小時(shí),1小時(shí),,,,甲地,乙地,,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,1小時(shí),1小時(shí),,,,甲地,乙地,,,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,第一講行程問(wèn)題(相遇),1.什么是相遇?,兩個(gè)人,路程=速度時(shí)間,相向而行,+,,相遇路程=速度和相遇時(shí)間,2.相遇問(wèn)題基本公式,,相遇路程相遇時(shí)間=速度和相遇路程速度和=相遇時(shí)間,,,,,甲地,乙地,,,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,604=240(千米),504=200(千米),240+200=440(千米),,,,甲地,乙地,,,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,604+504,,,=220+200,=440(千米),,,,甲地,乙地,,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,,甲地,乙地,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,,,,,甲地,乙地,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,,,,,甲地,乙地,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,,,,,,,,甲地,乙地,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,,,,,,,,,甲地,乙地,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,,,,,,,,,,,,甲地,乙地,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,,,,,,,,,,,,,甲地,乙地,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,,,,,,,,,,,,速度的和,,,,,,甲地,乙地,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,,,,,,,,,,,,,,速度的和,,,,,,甲地,乙地,,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)4小時(shí)相遇甲乙兩地相距多少千米?,,(60+50)4,=1104,=440(千米),比較練習(xí):,1.甲乙兩列火車從兩地同時(shí)相對(duì)開(kāi)出,甲車每小時(shí)行69千米,乙車每小時(shí)行71千米,3小時(shí)相遇。兩地相距多少千米?,列式:,,,+,,,(,),69,71,3,=1403,=420(千米),答:兩地相距420千米。,,,,2.兩個(gè)車站相距420千米,甲乙兩列火車從兩站同時(shí)相對(duì)開(kāi)出,甲車每小時(shí)行69千米,乙車每小時(shí)行71千米,兩車幾小時(shí)后相遇?,,,,甲地,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,乙地,,,,,,甲地,乙地,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,,甲地,乙地,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,1小時(shí),1小時(shí),,,,甲地,乙地,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,1小時(shí),1小時(shí),,,,甲地,乙地,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,1小時(shí),1小時(shí),,,,甲地,乙地,,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,,甲地,乙地,,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,(60+50)3,,,,甲地,乙地,,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,(60+50)3+110,+110,,,,甲地,乙地,,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,,(60+50)3+110,,,,甲地,乙地,,,,,,,,60千米,,50千米,救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,經(jīng)過(guò)3小時(shí)兩車相距110千米,甲乙兩地相距多少千米?,(60+50)3+110,=1103+110,=330+110,=440(千米),,?千米,練習(xí),1.甲、乙兩輛汽車同時(shí)從東西兩站相對(duì)開(kāi)出,甲車每小時(shí)行48千米,乙車每小時(shí)行46千米,5小時(shí)相遇。東西兩站相距多少千米?,2.甲乙兩個(gè)工程隊(duì),在山的兩邊同時(shí)相對(duì)開(kāi)鑿一個(gè)隧道。甲隊(duì)每月開(kāi)鑿200米,乙隊(duì)每月開(kāi)鑿210米,2個(gè)月開(kāi)通。這個(gè)隧道長(zhǎng)多少米?,3.小明和小龍同時(shí)從兩地對(duì)面走來(lái),4分鐘后兩人距離100米,小明每分鐘走54米,小龍每分鐘走50米,兩地相距多少米?,甲地,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,乙地,,,,,甲地,乙地,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,,甲地,乙地,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,1小時(shí),1小時(shí),4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,1小時(shí),1小時(shí),4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,,,60千米,,50千米,1小時(shí),1小時(shí),4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,,,60千米,,50千米,1小時(shí),1小時(shí),4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,,甲地,乙地,,,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,,,,甲地,乙地,,,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,,,,甲地,乙地,,,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,,,,甲地,乙地,,,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,,,,甲地,乙地,,,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,,,,甲地,乙地,,,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,,,,甲地,乙地,,,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,,,,甲地,乙地,,,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,,,,甲地,乙地,,,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,,,,甲地,乙地,,,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,,,,,,甲地,乙地,,,,,,,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,,,,,,甲地,乙地,,,,,,,,60千米,,50千米,,,,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,,,甲地,乙地,,,,,,,,60千米,,50千米,,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,,甲地,乙地,,60千米,,50千米,4.救護(hù)車和小轎車同時(shí)從甲乙兩地相對(duì)開(kāi)出,救護(hù)車每小時(shí)行駛60千米,小轎車每小時(shí)行駛50千米,行了5小時(shí),兩車相遇后又繼續(xù)行了110千米,甲乙兩地相距多少千米?,- 1.請(qǐng)仔細(xì)閱讀文檔,確保文檔完整性,對(duì)于不預(yù)覽、不比對(duì)內(nèi)容而直接下載帶來(lái)的問(wèn)題本站不予受理。
- 2.下載的文檔,不會(huì)出現(xiàn)我們的網(wǎng)址水印。
- 3、該文檔所得收入(下載+內(nèi)容+預(yù)覽)歸上傳者、原創(chuàng)作者;如果您是本文檔原作者,請(qǐng)點(diǎn)此認(rèn)領(lǐng)!既往收益都?xì)w您。
下載文檔到電腦,查找使用更方便
14.9 積分
下載 |
- 配套講稿:
如PPT文件的首頁(yè)顯示word圖標(biāo),表示該P(yáng)PT已包含配套word講稿。雙擊word圖標(biāo)可打開(kāi)word文檔。
- 特殊限制:
部分文檔作品中含有的國(guó)旗、國(guó)徽等圖片,僅作為作品整體效果示例展示,禁止商用。設(shè)計(jì)者僅對(duì)作品中獨(dú)創(chuàng)性部分享有著作權(quán)。
- 關(guān) 鍵 詞:
- 相遇問(wèn)題 相遇 問(wèn)題 PPT 課件 之一
鏈接地址:http://weibangfood.com.cn/p-3861252.html