初一数学上册计算题大全238.docx

1、初一数学上册计算题大全238 3 2 ()()(1) 10(2)2(4) 7 7 1 1 8 ( )( ） 6(23)1(18) 4 4 7 1 (0.8)(40) (2)432 (1)2948 6 1 1 1 ()()0 17(1)2(5 3 3 7 1 1 3 ( )( ) 18(20)5(14) 2 2 4 7 4 ( )(20) (1)413 (1)1535 6 3 (-4)(-13) 14(-3) -4(-7.5) 1 1 ()() 184(-83) (-1)452 6 4 -367(-14)(-26) 4.1(-0.9)(-0.5)3.1 2 1 1 3 3 4 ()() 8.3(

2、)(6.7) 3 6 9 5 5 5 (3a8) x6(59b) 18a3(5n4z) (3an)9(8a7b) 1 (64x)z 4(7c4mn8) 3 1 1 (xy)(st) 4(8bx)8(m4q) 3 6 5n(4n2) 4n(2n6s)(2s5n) 2(9t4)3t 6(2y4)(8y5) 4(ab4a)(9a8b) 5(abc4a)5(8a3abc) 9(xy4z)(xy7z) 8(pqpr)(3pqpr) 5 x 1 x 0.6x0.43.39.8x 6 8 6 8 1 7x9x 4(x2)5(x5)3 3 8 1 4 (7x6)x9 3x3(15x)3 6 5 y1 y1 3

3、 1.5x2(x8)50 3 5 1 2 (34x)(4x5) 2(2x8)7 6 7 6 5 ()()(8) 9(3)2(1) 7 7 1 1 8 ( )( ） 8(23)6(10) 8 2 9 1 (0.4)(200) (1)332 (1)2580 7 1 1 1 ()()0 6(2)2(1 2 4 4 1 1 1 ( )( ) 30(19)8(15) 3 2 7 9 6 ( )(20) (1)423 (1)2867 8 5 (-11)(-13) 1(-17) 4.5(-3) 1 1 ()() 17-5(-84) (-1)342 5 7 -302(-22)(-16) -9.3(-3.5)(

4、-0.6)5.7 2 1 1 2 9 3 ()() 6.1()(3.6) 7 4 7 7 5 5 (2x8) y2(47c) 2m2(9y2c) (7my)4(9x2c) 10 (128y)c 3(6a2mn8) 9 1 1 (xy)(mn) 5(7by)6(m3q) 6 4 6b(4b6) b(3b5c)(9c8b) 3(4b2)4b 7(4b8)(4b4) 3(ab4a)(6a8b) 14(abc5a)9(9a3abc) 8(xy3z)(xy2z) 9(pqpr)(8pqpr) 7 x 1 x 0.2x0.998.7x 3 4 6 8 1 9x6x 5(x6)2(x7)3 9 3 1 3 (5x1)x1 9x4(19x)5 7 5 y3 y3 5 4x10(x9)45 2 6 1 2 (44x)(2x1) 4(4x5)5 7 3