1、初一数学上册计算题大全98 4 3 ()()(10) 26(3)2(4) 7 7 1 1 1 ( )( ) 25(20)10(12) 2 8 9 1 (0.4)(9) (3)422 (1)2625 7 1 1 1 ()()0 7(4)2(1 5 3 6 1 7 9 ( )( ) 16(24)7(15) 6 8 8 1 1 ( )(20) (2)233 (1)1664 4 8 (-9)(-4) 20(-11) 1.5(-15.5) 1 1 ()() -18-5(-111) (-3)453 2 2 1620(-30)(-26) -3(-8.2)(-3.1)3.6 2 1 1 3 8 3 ()()
2、1.5()(4.3) 9 9 5 7 5 5 (6b5) y4(87c) 13a5(4n5t) (2an)2(8b8c) 1 (2010y)t 7(7a7bc3) 5 1 1 (bc)(ef) 4(8ay)8(n5q) 5 7 7n(9n2) n(7n6c)(3c6n) 8(8m2)7m 9(5y3)(8y7) 9(ab9a)(9a9b) 3(abc4a)8(5a8abc) 2(xy6z)(xy8z) 3(pqpr)(9pqpr) 7 x 1 x 0.9x0.77.83.2x 9 4 3 2 1 6x9x 9(x2)3(x3)14 3 4 1 3 (5x8)x2 8x3(1x)1 7 5 y3
3、 y3 7 4x1.5(x2)35 3 6 1 2 (34x)(5x2) 6(2x9)3 9 9 3 2 ()()(3) 1(4)3(5) 7 7 8 1 6 ( )( ) 29(26)9(16) 7 2 5 1 (0.1)(1) (5)243 (1)2595 7 1 1 1 ()()0 24(4)2(3 7 3 4 1 2 7 ( )( ) 10(12)1(13) 2 3 8 6 5 ( )(20) (4)242 (1)1356 7 6 (-1)(-3) 6(-7) 2.5(-9) 1 1 ()() 43(-182) (0)222 7 2 -28(-15)(-7) 6.7(-7.5)(-4.
4、5)3.5 2 1 1 4 6 1 ()() 2.7()(2.2) 9 8 7 5 5 5 (5m5) z3(46a) 7a8(8y9c) (3ay)8(5m6a) 4 (182z)c 9(9d2xy5) 3 1 1 (bc)(mn) 2(6ax)7(m8q) 3 2 7n(2n4) 6n(4n5q)(3qn) 5(9t5)4t 1(8x8)(5x6) 6(ab7a)(3a2b) 19(abc5a)3(8a8abc) 2(xy8z)(xy4z) 7(pqpr)(2pqpr) 7 x 1 x 0.5x0.842.8x 9 4 3 8 1 6x3x 4(x5)6(x2)15 3 3 1 1 (2x8)x7 5x8(2x)5 3 5 y2 y2 1 5x5(x7)25 2 5 1 2 (43x)(5x4) 8(9x4)18 6 3