1、初一数学上册计算题大全261 2 3 ()()(4) 29(2)3(1) 7 7 1 1 2 ( )( ) 17(20)10(17) 5 2 3 1 (0.2)(1) (2)422 (1)1975 8 1 1 1 ()()0 26(2)2(4 6 9 7 1 3 1 ( )( ) 19(10)8(13) 5 4 2 1 1 ( )(40) (4)313 (1)2938 5 3 (-7)(-8) 2(-13) -7.5(-3.5) 1 1 ()() -14-2(-151) (-1)243 7 7 -217(-17)(-8) 3.4(-6.7)(-3.5)7.8 2 1 1 3 4 9 ()()
2、1.3()(7.9) 3 4 2 5 5 5 (5b8) y8(66a) 9a4(2n4t) (3an)7(5b6a) 3 (122y)t 6(4d6xy3) 4 1 1 (yz)(st) 3(7ax)3(m3q) 4 9 2y(8y7) y(6y5q)(5qy) 3(4a3)7a 5(3m9)(2m2) 9(ab6a)(8a4b) 11(abc7a)8(5a8abc) 4(xy6z)(xy5z) 4(pqpr)(8pqpr) 7 x 1 x 0.9x0.93.67.6x 6 6 3 2 1 7x2x 6(x3)8(x7)16 5 2 1 3 (6x3)x9 5x2(10x)3 6 5 y1
3、y3 4 5x0.5(x8)15 2 5 1 2 (13x)(2x2) 7(2x2)8 2 9 5 1 ()()(1) 27(4)3(4) 7 7 1 1 1 ( )( ) 6(25)10(13) 2 4 3 1 (0.1)(300) (1)333 (1)1077 9 1 1 1 ()()0 5(2)2(4 6 3 7 1 1 1 ( )( ) 16(23)9(11) 7 8 2 7 1 ( )(60) (3)413 (1)2254 6 8 (-13)(-9) 16(-10) -14.5(-16.5) 1 1 ()() -1-2(-138) (-1)234 4 9 1219(-28)(-21)
4、 -7(-5.3)(-3.8)9.9 2 1 1 2 7 8 ()() 3.1()(3.5) 5 7 9 7 5 5 (7x1) y2(96b) 19x4(7b6c) (9xb)3(2x4b) 8 (210y)c 3(7c4ab5) 9 1 1 (xy)(pq) 3(6ax)4(m8q) 7 3 3y(9y4) y(2y3s)(8sy) 6(4t3)3t 1(2a7)(3a5) 8(ab5a)(6a8b) 17(abc3a)6(3a8abc) 5(xy5z)(xy4z) 7(pqpr)(7pqpr) 7 x 1 x 0.3x0.13.16.5x 9 8 9 2 1 2x4x 4(x1)2(x9)17 3 8 1 4 (5x9)x1 8x5(10x)4 9 5 y3 y1 7 5x9(x5)30 4 5 1 2 (14x)(5x1) 9(4x7)5 5 7