1、七年级数学上册计算题天天练 65 3 5 ()()(1) 14(4)3(3) 7 7 6 1 8 ( )( ） 7(25)9(10) 5 8 9 1 (0.1)(3) (3)313 (1)2255 3 1 1 1 ()()0 25(2)2(2 7 5 7 1 1 7 ( )( ) 26(13)3(19) 8 2 6 8 6 ( )(10) (4)342 (1)2857 7 7 (-2)(-13) 6(-9) 14(-7) 1 1 ()() 5-3(-119) (-3)323 7 6 -713(-11)(-10) -1.6(-0.3)(-4.2)6.7 2 1 1 1 6 1 ()() 3.3(
2、)(9.2) 3 4 8 5 5 5 (3n1) z3(25a) 2m3(9n6t) (8mn)4(9n4a) 4 (188z)t 8(3a5mn5) 3 1 1 (ab)(mn) 3(7ax)5(m2p) 7 6 9a(9a8) a(4a6q)(4qa) 8(2t9)3t 1(8n9)(9n9) 6(ab8a)(4a8b) 10(abc7a)7(3a4abc) 3(xy8z)(xy6z) 7(pqpr)(9pqpr) 5 x 1 x 0.2x0.31.17.6x 3 4 9 8 1 6x5x 6(x8)3(x5)1 7 9 1 3 (7x3)x3 8x2(5x)9 4 5 y3 y1 5 1
3、.5x1.5(x3)5 2 6 1 2 (43x)(5x3) 6(9x6)7 8 7 4 2 ()()(10) 13(1)3(3) 7 7 1 1 1 ( )( ） 29(11)10(11) 9 8 7 1 (0.2)(900) (1)343 (1)2216 3 1 1 1 ()()0 27(2)2(1 9 7 4 1 1 5 ( )( ) 27(24)3(17) 8 5 4 3 3 ( )(100) (3)322 (1)2801 2 2 (-10)(-12) 10(-4) 7.5(-7) 1 1 ()() 42(-173) (-2)434 9 2 -2714(-15)(-26) -6.9(-
4、6.1)(-1.5)2.1 2 1 1 4 9 7 ()() 7.1()(1.8) 3 5 9 5 5 5 (3m6) z5(45c) 4m6(4y3t) (8my)8(8m8c) 5 (68z)t 3(9d8xy6) 4 1 1 (ab)(mn) 5(7ay)8(m7p) 4 8 3a(6a5) 5a(3a2q)(2q3a) 9(5n5)7n 5(2m5)(2m3) 6(ab4a)(2a8b) 2(abc9a)3(7a4abc) 3(xy4z)(xy3z) 9(pqpr)(9pqpr) 5 x 1 x 0.8x0.68.15.2x 3 4 3 4 1 5x1x 9(x4)8(x2)15 5 4 1 2 (3x2)x8 9x6(13x)6 7 5 y3 y2 5 0.5x4.5(x9)45 3 6 1 2 (12x)(2x2) 6(6x3)19 3 3
