1、初一数学上册计算题大全313 3 1 ()()(9) 25(2)2(2) 7 7 1 1 1 ( )( ) 22(28)9(18) 9 6 7 1 (0.3)(1000) (4)432 (1)1286 6 1 1 1 ()()0 5(3)2(2 2 2 3 1 1 6 ( )( ) 25(15)2(12) 4 2 5 1 8 ( )(20) (1)332 (1)1520 6 7 (-16)(-2) 11(-14) 0(-2.5) 1 1 ()() -191(-95) (-5)324 3 2 3113(-17)(-19) 1.4(-3.9)(-4.8)8.5 2 1 1 4 9 3 ()() 2
2、.9()(2.4) 5 4 5 7 5 5 (8y5) x3(44a) 5a5(7y3t) (5ay)4(4y2a) 1 (84x)t 4(4c6bc1) 2 1 1 (ab)(st) 4(8bx)7(n3p) 9 3 7a(8a7) a(4a9q)(6q4a) 7(4b6)7b 3(4a6)(8a4) 4(ab7a)(2a8b) 19(abc5a)9(4a9abc) 6(xy9z)(xy5z) 7(pqpr)(6pqpr) 5 x 1 x 0.2x0.43.87.4x 9 6 6 4 1 7x9x 3(x3)9(x7)12 5 5 1 4 (3x5)x7 8x7(10x)1 5 5 y2 y
3、2 8 5x2(x8)20 2 6 1 2 (54x)(2x1) 2(8x7)16 3 9 5 4 ()()(3) 3(4)2(5) 7 7 7 1 1 ( )( ) 22(24)10(13) 6 2 3 1 (0.2)(5) (3)313 (1)2226 9 1 1 1 ()()0 25(3)3(2 2 8 5 1 3 1 ( )( ) 9(11)4(16) 8 4 5 2 3 ( )(30) (3)313 (1)2929 3 4 (-6)(-8) 12(-7) -8.5(-7.5) 1 1 ()() -4-5(-26) (0)252 5 4 11(-1)(-21) 1.6(-6.2)(-3
4、.8)1 2 1 1 3 7 8 ()() 3.3()(7.4) 7 9 9 7 5 5 (2b4) y9(39b) 4a6(5b7c) (3ab)4(8b8b) 4 (148y)c 3(6a3ab3) 5 1 1 (bc)(st) 5(9bx)5(n5q) 3 9 2b(7b7) b(4b7p)(2pb) 4(8m2)4m 8(5b9)(6b1) 8(ab3a)(7a7b) 19(abc4a)3(2a3abc) 7(xy9z)(xy9z) 5(pqpr)(6pqpr) 5 x 1 x 0.1x0.379.5x 3 2 9 2 1 7x4x 3(x2)9(x2)3 9 7 1 1 (9x7)x7 9x8(2x)2 3 5 y3 y2 6 4.5x8.5(x7)45 4 5 1 2 (23x)(2x4) 7(8x3)20 2 5