初一数学上册计算题大全295.docx

1、初一数学上册计算题大全295 2 1 ()()(4) 12(1)3(3) 7 7 1 1 1 ( )( ） 22(20)6(16) 7 6 7 1 (0.1)(1) (2)243 (1)1122 3 1 1 1 ()()0 17(4)3(1 3 5 4 1 1 1 ( )( ) 4(27)2(17) 6 4 2 1 1 ( )(20) (2)242 (1)1768 5 2 (-12)(-7) 10(-4) 0(-13.5) 1 1 ()() -104(-132) (-2)242 4 3 2919(-19)(-24) -0.8(-6.9)(-3.9)5.8 2 1 1 4 6 3 ()() 4.

2、9()(9.2) 3 6 8 5 5 5 (5x4) z8(24b) 2x9(3n3z) (7xn)2(4x3b) 4 (184z)z 6(5b9ab1) 3 1 1 (bc)(ef) 2(6ay)4(m4q) 3 9 4x(9x4) x(7x4s)(8sx) 3(6m8)4m 4(5m3)(7m5) 3(ab7a)(8a4b) 13(abc8a)3(5a8abc) 2(xy9z)(xy6z) 3(pqpr)(5pqpr) 7 x 1 x 0.5x0.87.68.1x 3 4 6 2 1 4x3x 5(x2)7(x9)6 5 8 1 2 (2x8)x5 3x2(8x)7 3 5 y1 y3 3

3、 2x7(x1)5 2 6 1 2 (34x)(2x1) 8(4x2)19 2 7 4 3 ()()(3) 16(4)2(2) 7 7 1 1 8 ( )( ） 22(11)5(19) 3 4 9 1 (0.8)(4) (1)252 (1)1184 2 1 1 1 ()()0 6(3)2(4 6 6 7 1 1 1 ( )( ) 23(28)8(17) 3 7 7 1 8 ( )(40) (4)213 (1)1014 4 7 (-10)(-20) 12(-14) 7.5(-14) 1 1 ()() -31(-104) (-1)434 4 6 -78(-22)(-21) -5.8(-5.8)(-

4、0.4)4 2 1 1 3 2 6 ()() 9.9()(7.5) 3 9 8 5 5 5 (6n9) z8(26a) 20x3(4b4z) (6xb)8(4n5a) 1 (66z)z 2(3c4ab5) 3 1 1 (yz)(pq) 5(9ax)9(n3p) 4 6 5b(5b8) b(3b8z)(4z3b) 2(4t1)8t 1(9x9)(3x9) 3(ab6a)(6a3b) 6(abc5a)3(2a6abc) 6(xy8z)(xy3z) 4(pqpr)(3pqpr) 5 x 1 x 0.3x0.793.4x 6 2 6 8 1 3x6x 3(x2)7(x9)2 3 9 1 4 (8x9)x7 9x5(3x)4 7 5 y2 y3 1 2x7(x7)20 4 6 1 2 (14x)(2x5) 9(5x5)18 6 5