1、初一数学上册计算题大全317 4 4 ()()(1) 15(4)3(1) 7 7 1 1 1 ( )( ) 14(13)1(20) 2 4 9 1 (0.5)(900) (3)323 (1)1286 9 1 1 1 ()()0 20(1)3(4 8 6 8 1 6 1 ( )( ) 7(12)3(17) 6 5 4 1 1 ( )(90) (5)243 (1)2778 3 2 (-8)(-3) 11(-2) 5.5(-17.5) 1 1 ()() -14-5(-142) (-2)244 4 8 -229(-6)(-26) -4.4(-7.9)(-2.6)4.1 2 1 1 4 4 7 ()()
2、 3.4()(8.3) 9 7 4 5 5 5 (2x8) x8(33b) 18a2(5y2z) (9ay)2(4x4b) 1 (128x)z 6(8b4mn8) 9 1 1 (xy)(st) 5(9ax)5(n8q) 5 8 9y(2y5) y(6y5p)(5p7y) 2(6a2)3a 4(4m10)(2m3) 2(ab7a)(7a5b) 4(abc5a)5(8a5abc) 7(xy5z)(xy7z) 7(pqpr)(3pqpr) 5 x 1 x 0.7x0.62.97.7x 3 6 9 4 1 3x5x 2(x3)7(x2)16 7 5 1 4 (9x6)x1 9x7(19x)8 4 5
3、y2 y2 6 3x6(x6)40 4 6 1 2 (34x)(3x2) 7(9x2)12 4 9 1 2 ()()(7) 7(4)3(3) 7 7 7 1 6 ( )( ) 21(11)9(12) 6 4 5 1 (0.2)(3) (5)242 (1)1301 6 1 1 1 ()()0 13(4)3(5 9 8 9 1 1 3 ( )( ) 8(28)4(11) 7 8 2 7 1 ( )(80) (2)352 (1)1680 8 8 (-4)(-19) 15(-15) -9.5(-3.5) 1 1 ()() 14-1(-107) (-5)443 7 8 13(-25)(-27) -1.9
4、(-1.5)(-3.3)5.9 2 1 1 4 6 1 ()() 7.1()(9.3) 3 3 4 5 5 5 (5y2) y5(22a) 8x2(7n7t) (4xn)7(6y4a) 1 (184y)t 9(8b3bc3) 8 1 1 (bc)(st) 5(8ay)7(n9p) 7 9 3x(8x9) 3x(2x8d)(5d7x) 8(8s9)4s 4(4n6)(2n7) 4(ab3a)(6a9b) 2(abc4a)2(7a9abc) 6(xy2z)(xy2z) 8(pqpr)(6pqpr) 5 x 1 x 0.2x0.38.89.1x 6 8 6 8 1 7x8x 7(x2)2(x3)12 3 8 1 2 (9x4)x3 6x8(19x)6 4 5 y1 y3 9 2.5x6.5(x6)5 2 5 1 2 (24x)(4x4) 3(6x4)17 5 3