1、初一数学上册计算题大全207 6 2 ()()(7) 28(1)2(4) 7 7 9 1 1 ( )( ) 30(14)2(11) 8 4 7 1 (0.1)(700) (5)452 (1)1593 6 1 1 1 ()()0 21(3)2(3 9 2 6 1 9 7 ( )( ) 5(29)5(20) 4 8 6 5 2 ( )(70) (3)443 (1)1384 4 3 (-9)(-13) 5(-13) 10(-19.5) 1 1 ()() 22(-1510) (-5)332 6 5 158(-30)(-24) -2.4(-3)(-0.7)0.6 2 1 1 2 4 8 ()() 1.9
2、()(8.1) 5 2 4 7 5 5 (8y7) x2(74a) 8m9(3y3t) (8my)5(3y2a) 1 (24x)t 4(2c7ab6) 5 1 1 (ab)(mn) 3(8ax)4(m7q) 9 4 8b(2b1) 4b(9b5c)(6cb) 3(7t9)2t 9(3y10)(6y7) 4(ab9a)(6a4b) 19(abc9a)6(9a4abc) 6(xy3z)(xy8z) 9(pqpr)(3pqpr) 5 x 1 x 0.5x0.671.5x 6 4 6 2 1 8x6x 9(x2)9(x2)10 3 8 1 1 (5x9)x2 9x5(10x)1 5 5 y1 y1 2
3、 2.5x10(x2)40 4 5 1 2 (14x)(4x5) 5(7x9)6 4 7 4 4 ()()(1) 10(1)2(4) 7 7 1 1 1 ( )( ) 28(16)4(16) 6 6 9 1 (0.4)(8) (5)322 (1)1573 7 1 1 1 ()()0 22(3)3(1 6 6 5 1 1 5 ( )( ) 28(30)3(10) 8 5 4 5 6 ( )(60) (5)233 (1)1688 4 5 (-8)(-7) 9(-1) -9.5(-13) 1 1 ()() -52(-137) (-5)242 7 2 02(-26)(-8) 5.8(-7)(-4.8)
4、7.1 2 1 1 1 2 4 ()() 4.7()(9.4) 5 9 9 7 5 5 (5y7) x4(22c) 11x6(7n4t) (9xn)8(4y2c) 3 (88x)t 2(7d5bc6) 2 1 1 (bc)(mn) 5(8by)8(n8p) 6 8 3y(9y8) 7y(8y2d)(9d9y) 9(7n9)6n 2(5b2)(2b5) 4(ab3a)(7a5b) 20(abc6a)5(6a3abc) 2(xy9z)(xy4z) 3(pqpr)(2pqpr) 7 x 1 x 0.7x0.55.85.4x 6 8 6 4 1 9x7x 7(x6)5(x3)10 9 4 1 1 (4x5)x9 4x5(10x)9 7 5 y2 y2 7 1.5x1(x4)15 3 5 1 2 (53x)(3x1) 9(4x3)7 3 7