1、初一数学上册计算题天天练81(-2)(-17) 12(-5) -10(-6.5) 1 1 ()() -8-4(-1210) (-4)353 7 6 1914(-7)(-2) 5.8(-4.7)(-1.6)3.9 2 1 1 3 8 1 ()() 2.6()(7.9) 9 3 6 5 5 5 (4a6) z7(76a) 20m4(4b7c) (9mb)2(4a2a) 1 (22z)c 6(4c2xy9) 5 1 1 (ab)(pq) 3(7bx)6(m8p) 8 8 6 6 ()()(7) 8(2)2(1) 7 7 7 1 1 ( )( ) 23(21)2(17) 8 8 9 1 (0.5)(1
2、) (5)343 (1)2821 7 1 1 1 ()()0 24(2)2(2 6 4 7 1 5 8 ( )( ) 4(14)1(18) 3 6 7 1 7 ( )(80) (2)232 (1)2381 6 8 (-11)(-17) 15(-2) 15(-14.5) 1 1 ()() 1-1(-45) (-2)454 5 8 -173(-23)(-1) 3.2(-6.5)(-4.3)6.5 2 1 1 2 3 9 ()() 7.8()(3.4) 3 8 2 5 5 5 (2x7) x4(73c) 13m7(2n6z) (2mn)3(2x2c) 9 (64x)z 3(2d6xy7) 8 1 1
3、 (yz)(ef) 2(7by)6(n2q) 9 4 3 1 ()()(6) 25(4)3(3) 7 7 1 1 1 ( )( ) 20(15)5(17) 4 6 5 1 (0.1)(1000) (3)213 (1)1781 2 1 1 1 ()()0 14(1)2(2 3 8 8 1 1 1 ( )( ) 23(21)5(10) 6 5 4 1 5 ( )(50) (3)233 (1)2897 5 4 (-18)(-17) 12(-1) 10(-24.5) 1 1 ()() -4-1(-42) (-1)412 3 8 2516(-30)(-1) -4.6(-0.2)(-2.6)5.6 2 1
4、 1 3 7 2 ()() 3.4()(8.2) 9 2 7 5 5 5 (5n7) z4(24c) 9m7(4n6z) (2mn)9(8n5c) 4 (166z)z 7(4b8mn9) 3 1 1 (ab)(ef) 4(8ax)5(n2p) 2 3 4 2 ()()(9) 30(2)2(2) 7 7 6 1 1 ( )( ) 15(23)9(11) 5 2 7 1 (0.1)(70) (1)313 (1)1147 9 1 1 1 ()()0 5(2)3(3 8 4 6 1 1 1 ( )( ) 28(19)8(10) 8 8 2 5 5 ( )(100) (1)333 (1)1815 4 6
5、 (-6)(-18) 3(-17) 10(-5.5) 1 1 ()() -2-2(-153) (-5)324 5 3 -109(-4)(-14) 7.2(-5.1)(-2)8 2 1 1 4 3 1 ()() 5.1()(2.9) 5 2 7 5 5 5 (6x6) y6(62b) 18m7(5y2z) (6my)2(6x8b) 8 (1010y)z 8(9b2ab2) 9 1 1 (yz)(ef) 5(7ax)5(n6q) 6 5 5 4 ()()(8) 7(2)3(3) 7 7 8 1 8 ( )( ) 14(20)2(13) 7 2 9 1 (0.8)(1000) (5)412 (1)2
6、219 4 1 1 1 ()()0 2(4)2(2 6 7 8 1 1 5 ( )( ) 8(29)10(14) 5 3 6 1 1 ( )(90) (2)452 (1)1135 2 7 (-1)(-16) 9(-10) 3(-15) 1 1 ()() 18-3(-13) (-2)342 9 7 116(-13)(-13) -1.5(-6.8)(-2.9)7.4 2 1 1 3 7 8 ()() 3.8()(7.9) 3 4 8 7 5 5 (8a2) x8(99a) 16a6(6n8c) (6an)3(6a3a) 7 (22x)c 6(6c8mn8) 8 1 1 (xy)(mn) 3(7bx
7、)9(n5q) 5 8 3 2 ()()(9) 15(3)2(2) 7 7 1 1 1 ( )( ) 12(25)4(20) 8 4 7 1 (0.5)(200) (2)242 (1)1231 6 1 1 1 ()()0 22(2)2(5 3 3 3 1 3 9 ( )( ) 6(29)1(20) 3 4 8 4 1 ( )(60) (2)352 (1)1675 3 5 (-2)(-2) 14(-8) -0.5(-13) 1 1 ()() 10-1(-169) (-4)253 8 4 197(-16)(-14) -0.6(-1.7)(-1.2)7.3 2 1 1 4 8 1 ()() 1.1(
8、)(6.2) 9 5 7 7 5 5 (6y1) x2(52c) 17x2(2n7c) (3xn)5(3y9c) 3 (42x)c 6(2c3mn6) 2 1 1 (ab)(mn) 4(9ay)8(m8p) 8 5 6 4 ()()(4) 5(2)2(4) 7 7 3 1 1 ( )( ) 7(16)10(18) 4 8 9 1 (0.5)(400) (5)313 (1)2355 5 1 1 1 ()()0 3(3)3(1 7 4 2 1 1 1 ( )( ) 28(29)2(20) 5 8 2 3 6 ( )(50) (1)413 (1)2409 4 7 (-19)(-9) 19(-20)
9、11(-19.5) 1 1 ()() -19-3(-119) (-2)424 9 6 619(-21)(-24) -8.7(-6.9)(-2.9)1 2 1 1 2 1 1 ()() 6.2()(9.6) 5 7 7 5 5 5 (3a8) y5(17b) 15a2(5b3z) (2ab)3(6a8b) 8 (168y)z 3(3a5bc2) 9 1 1 (yz)(st) 2(6ax)4(n5q) 6 2 3 1 ()()(2) 13(2)2(1) 7 7 4 1 8 ( )( ) 10(12)10(11) 3 8 9 1 (0.9)(3) (2)343 (1)1716 8 1 1 1 ()()0 17(2)2(5 8 8 7 1 3 9 ( )( ) 18(23)3(17) 8 4 8 1 9 ( )(30) (5)333 (1)1254 2 8 (-12)(-7) 11(-3) -1.5(-10) 1 1 ()() 30(-94) (-4)244 2 2
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