初一数学上册计算题大全258.docx

1、初一数学上册计算题大全258 4 6 ()()(3) 18(3)2(5) 7 7 6 1 1 ( )( ） 20(28)10(18) 5 8 3 1 (0.5)(1) (2)413 (1)2580 9 1 1 1 ()()0 27(1)3(3 6 4 2 1 4 1 ( )( ) 9(29)10(18) 8 3 6 1 5 ( )(50) (3)212 (1)2509 3 6 (-17)(-6) 5(-8) -4(-25) 1 1 ()() -3-5(-62) (-3)452 3 4 -1414(-13)(-9) -9.3(-3.2)(-3.2)9.2 2 1 1 1 6 9 ()() 8.6

2、()(5.4) 9 5 8 7 5 5 (6n9) z9(56a) 12x9(7b6z) (7xb)8(6n3a) 7 (2010z)z 5(8d9mn1) 6 1 1 (ab)(st) 4(7ay)4(m4p) 3 6 4a(6a2) a(2a7d)(8da) 9(6n8)8n 7(6x6)(7x4) 2(ab6a)(4a5b) 5(abc7a)6(8a2abc) 7(xy9z)(xy3z) 7(pqpr)(9pqpr) 7 x 1 x 0.3x0.90.31.5x 6 6 6 2 1 9x9x 9(x4)7(x4)20 7 7 1 1 (9x3)x1 9x9(4x)9 3 5 y2 y3

3、6 2.5x1.5(x3)45 3 6 1 2 (32x)(3x4) 2(8x4)16 8 7 4 3 ()()(9) 21(1)2(4) 7 7 5 1 6 ( )( ） 11(24)5(15) 4 8 5 1 (0.1)(4) (3)343 (1)1944 4 1 1 1 ()()0 11(3)3(5 4 9 7 1 1 1 ( )( ) 27(10)2(17) 6 7 3 7 1 ( )(100) (4)322 (1)2045 6 2 (-9)(-3) 9(-18) 0.5(-3.5) 1 1 ()() 31(-101) (-5)232 2 4 -381(-20)(-5) -9.7(-4

4、)(-4.6)5.2 2 1 1 1 2 4 ()() 2.5()(8.5) 9 8 4 7 5 5 (2y4) z4(78a) 14m9(6n5c) (7mn)7(4y7a) 1 (210z)c 3(2d2xy6) 5 1 1 (ab)(ef) 5(8bx)8(n5p) 4 4 3a(4a7) a(8a2z)(9z6a) 4(9a10)3a 2(3b5)(5b8) 9(ab9a)(6a7b) 14(abc9a)9(2a5abc) 6(xy7z)(xy4z) 5(pqpr)(5pqpr) 7 x 1 x 0.1x0.40.53.3x 3 4 6 4 1 5x2x 2(x1)6(x7)15 7 3 1 4 (2x2)x7 2x6(6x)9 6 5 y3 y2 7 4x9(x5)25 4 6 1 2 (14x)(5x3) 8(3x6)7 7 3