初一数学上册计算题大全99.docx

1、初一数学上册计算题大全99 5 1 ()()(4) 16(4)2(2) 7 7 1 1 8 ( )( ） 6(15)9(18) 8 4 9 1 (0.2)(100) (4)233 (1)2770 5 1 1 1 ()()0 23(1)3(5 3 3 4 1 6 1 ( )( ) 17(13)8(14) 3 5 7 1 1 ( )(40) (2)242 (1)2780 3 4 (-11)(-15) 4(-13) -11(-0.5) 1 1 ()() 8-5(-45) (-1)444 2 3 615(-3)(-18) 1.9(-8.1)(-2.5)6.4 2 1 1 4 4 4 ()() 6.8(

2、)(2.9) 9 2 3 7 5 5 (6n3) x6(99b) 14x5(8y5z) (9xy)6(6n2b) 1 (66x)z 8(8c7xy2) 7 1 1 (bc)(st) 2(9ay)3(m4q) 8 7 7n(2n6) n(4n4d)(9d5n) 7(7b9)5b 8(6n6)(3n7) 9(ab2a)(5a7b) 3(abc8a)9(3a6abc) 9(xy3z)(xy4z) 3(pqpr)(7pqpr) 5 x 1 x 0.4x0.40.54.9x 3 6 6 8 1 6x4x 5(x3)7(x6)7 3 9 1 2 (7x6)x6 8x7(16x)6 6 5 y1 y2 1

3、0.5x9(x6)25 4 6 1 2 (32x)(5x5) 9(5x5)15 4 5 1 6 ()()(6) 10(1)3(5) 7 7 7 1 1 ( )( ） 7(19)4(10) 6 8 5 1 (0.9)(3) (3)423 (1)2445 2 1 1 1 ()()0 13(1)3(3 2 8 6 1 1 7 ( )( ) 24(16)10(15) 2 7 8 7 5 ( )(90) (2)212 (1)2415 6 6 (-11)(-12) 2(-7) 4(-13) 1 1 ()() 2-2(-79) (-2)354 9 8 -267(-26)(-18) -5.1(-6.7)(-2

4、)6 2 1 1 2 6 1 ()() 6.6()(1.1) 7 6 5 5 5 5 (4y9) y3(68b) 18x5(2n2c) (5xn)4(2y2b) 3 (1010y)c 8(3d3ab1) 4 1 1 (bc)(pq) 5(7by)4(n8q) 6 5 8a(5a7) 6a(4a3q)(7q7a) 7(8b6)5b 3(2m8)(5m5) 4(ab4a)(5a5b) 8(abc2a)8(6a4abc) 8(xy6z)(xy7z) 4(pqpr)(7pqpr) 7 x 1 x 0.2x0.36.99.9x 6 8 3 8 1 5x7x 6(x7)3(x1)4 9 7 1 2 (5x6)x1 7x4(20x)2 4 5 y3 y2 9 0.5x0.5(x9)50 3 5 1 2 (34x)(5x5) 7(5x1)8 3 5