1、初一数学上册计算题大全31 6 2 ()()(10) 30(2)2(2) 7 7 1 1 1 ( )( ) 14(26)8(12) 2 2 7 1 (0.2)(5) (4)253 (1)2479 5 1 1 1 ()()0 14(2)3(1 9 3 7 1 1 1 ( )( ) 9(22)8(16) 7 6 3 3 7 ( )(100) (4)242 (1)2665 4 6 (-8)(-2) 6(-12) 6(-25) 1 1 ()() -173(-46) (0)413 6 5 -4011(-5)(-23) 9.8(-2.7)(-4.3)7.1 2 1 1 3 8 9 ()() 3.4()(4
2、.5) 7 4 3 7 5 5 (7a5) y9(42b) 13x9(2y9c) (9xy)9(8a3b) 6 (26y)c 3(5a2xy1) 7 1 1 (bc)(pq) 4(8ay)3(n3p) 9 8 8n(7n1) 5n(7n3z)(8zn) 8(4a4)5a 1(3y8)(4y7) 4(ab7a)(9a4b) 13(abc6a)2(7a7abc) 5(xy8z)(xy2z) 9(pqpr)(5pqpr) 7 x 1 x 0.3x0.50.32.6x 6 2 6 2 1 8x3x 2(x4)7(x7)19 9 8 1 4 (2x2)x4 7x4(1x)4 9 5 y3 y1 6 1.
3、5x9.5(x6)25 3 6 1 2 (22x)(5x1) 4(8x8)13 5 3 3 1 ()()(6) 1(4)3(1) 7 7 6 1 1 ( )( ) 12(23)2(11) 5 8 5 1 (0.2)(1) (1)452 (1)1330 8 1 1 1 ()()0 14(4)2(2 4 8 6 1 8 1 ( )( ) 3(18)6(16) 7 7 2 4 5 ( )(10) (1)422 (1)1822 3 4 (-9)(-1) 9(-18) -1(-14.5) 1 1 ()() -2-4(-61) (-4)424 9 8 1715(-27)(-30) -6.6(-0.9)(-
4、1.9)5 2 1 1 4 3 9 ()() 7.9()(3.1) 3 4 3 5 5 5 (2m8) x7(66c) 20x3(4n2t) (2xn)5(6m8c) 3 (2010x)t 5(8b4xy2) 4 1 1 (ab)(ef) 5(7bx)5(n7q) 9 5 2m(9m2) 4m(8m4p)(6p7m) 3(3n7)9n 10(6b7)(4b4) 3(ab3a)(9a8b) 12(abc7a)3(8a8abc) 8(xy8z)(xy2z) 9(pqpr)(4pqpr) 5 x 1 x 0.6x0.36.14.3x 6 6 6 2 1 6x8x 8(x3)9(x8)1 5 6 1 3 (6x9)x9 6x5(11x)5 9 5 y2 y3 5 2.5x9.5(x9)50 3 5 1 2 (23x)(4x5) 2(7x2)2 8 5