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1、(1)= (2)= (3) = (4) = (5)= (6)=(7)= (8) = (9)= (10)=(11) (12) (13) (14) (15) (16) (17) (18)(19) (20); (21); (22);(23); (24);(25); (26).(27) (28)(29) (30)(31)(32) (33) (34)(35) (36)(37) (38)如果,求的值(39)已知與互為相反數,求的值。(40) (41)(42) (43) (44) (45)(46) (47) (48) (49) (50)100 (51) (52) (53)(54) (55)(56) (57)
2、(58) (59) 若,求a+b的值 (60)已知a+1與b2互為相反數,求ab的值(61) (-12)4(-6)2; (62) (63) (64) (65)999374-53(0.5)3 (66)已知|m+5|+(n-3)2=0,m2x+yn與nxm3是同類項,則x2017+y2018-(m+n)的值(67) ;(68)(5)(7)5(6)(69) (70) .(71)(72)(73) (74) ;(75); (76) (5)(8)0(10)(15);(77)(3)(4)(5)+(5)(7) (78)(0.1)(1)(100)0.01(1000)(79)2(1)()(); (80)( + )(20);(81) (3)(0.12)(2)33;(82)( + )(36) (83)(1220.6) (84)(+)|2(5);(85) (1)3()(1)(86) (87)(2)() (88)0(13.52)= (89)(1)2020a = (90) (3.25)(+) (91)(185.8)(36)0(25)(92) (93) (94) (95)(96)()0.125(2)(8)(97)(98) (0.25)0.5(4)4 (99)(4)(18.36)2.5(100)()(18)+()(3)2