1、七年级数学上册计算题天天练 35 2 3 ()()(10) 30(2)2(4) 7 7 7 1 4 ( )( ） 21(23)4(16) 8 8 3 1 (0.1)(70) (2)413 (1)2619 7 1 1 1 ()()0 6(1)2(1 7 2 7 1 1 7 ( )( ) 6(24)3(10) 5 6 8 1 9 ( )(90) (1)322 (1)2348 2 8 (-13)(-12) 0(-13) 14(-22) 1 1 ()() -162(-48) (-4)254 7 4 -2411(-14)(-25) -8.9(-8.1)(-3.8)8.2 2 1 1 1 2 8 ()()
2、 9.2()(6.2) 5 6 2 7 5 5 (5b8) x4(82b) 4x3(3y8z) (7xy)2(5b3b) 1 (124x)z 2(5c7xy4) 7 1 1 (bc)(mn) 3(9bx)3(m9p) 3 8 4y(9y7) 3y(4y2s)(9sy) 7(7a5)2a 5(7b9)(8b1) 7(ab9a)(2a8b) 11(abc4a)3(4a6abc) 8(xy4z)(xy6z) 3(pqpr)(2pqpr) 5 x 1 x 0.7x0.85.42.5x 9 8 6 2 1 5x9x 8(x2)7(x5)15 9 6 1 1 (3x3)x8 3x4(15x)9 2 5 y
3、2 y1 7 1.5x3.5(x7)30 3 6 1 2 (43x)(3x3) 4(8x1)19 9 9 2 3 ()()(9) 5(4)3(3) 7 7 2 1 1 ( )( ） 19(27)6(16) 3 8 5 1 (0.4)(600) (4)242 (1)1342 2 1 1 1 ()()0 27(1)3(2 9 6 2 1 3 1 ( )( ) 4(24)2(15) 2 2 7 3 1 ( )(40) (5)242 (1)2396 2 5 (-15)(-4) 0(-16) 4.5(-5.5) 1 1 ()() 6-1(-83) (-3)223 7 3 -1616(-21)(-15)
4、2(-3.1)(-4.6)4.8 2 1 1 4 8 2 ()() 2.5()(7.3) 5 5 6 7 5 5 (8y8) x2(68a) 2a6(3y7t) (9ay)2(5y5a) 1 (48x)t 2(5b7xy1) 8 1 1 (yz)(pq) 4(8ax)7(n2q) 5 7 3y(7y4) 9y(4y2q)(9qy) 3(8a8)8a 1(8x4)(3x6) 3(ab4a)(7a3b) 18(abc5a)8(2a8abc) 9(xy3z)(xy2z) 2(pqpr)(2pqpr) 5 x 1 x 0.6x0.85.98x 6 6 6 4 1 5x6x 8(x1)9(x1)16 7 2 1 4 (3x4)x4 8x6(6x)4 4 5 y1 y2 1 3.5x6.5(x4)35 3 6 1 2 (32x)(2x5) 3(3x2)3 5 7
