1、初一数学上册计算题专项训练35 3 6 ()()(5) 24(3)2(2) 7 7 8 1 2 ( )( ) 29(16)9(17) 9 8 3 1 (0.8)(1) (3)212 (1)2914 9 1 1 1 ()()0 22(3)3(2 2 2 5 1 4 9 ( )( ) 22(19)7(10) 7 3 8 4 1 ( )(50) (5)332 (1)2587 3 2 (10)(12) 18(5) 3.5(6.5) 1 1 ()() 153(116) (2)254 8 8 1411(30)(30) 7.1(5.7)(1.1)1.8 2 1 1 1 8 8 ()() 3.1()(2.2)
2、 3 5 3 7 5 5 (9m3) z5(45a) 14a7(8b6z) (5ab)6(4m4a) 1 (168z)z 5(3c5xy1) 9 1 1 (bc)(pq) 2(7ay)5(m3p) 9 4 7b(6b7) b(5b5c)(5c9b) 6(6b10)9b 8(3x1)(7x4) 9(ab3a)(4a2b) 7(abc2a)5(4a5abc) 2(xy4z)(xy4z) 3(pqpr)(8pqpr) 7 x 1 x 0.6x0.60.41.6x 3 8 9 4 1 2x3x 4(x1)8(x2)6 7 6 1 2 (9x6)x2 6x8(10x)4 3 5 y2 y2 4 4.5x
3、2(x9)40 3 5 0.9x0.40.21.6x 6(5x9)17 3 1 ()()(9) 24(2)2(4) 7 7 1 1 2 ( )( ) 25(12)8(11) 6 2 3 1 (0.4)(100) (1)422 (1)1932 7 1 1 1 ()()0 10(2)2(3 9 5 2 1 6 1 ( )( ) 21(16)6(17) 8 5 7 6 6 ( )(90) (5)253 (1)1646 5 5 (3)(2) 16(6) 8(20.5) 1 1 ()() 00(17) (5)214 9 2 391(26)(12) 3(1.2)(1.6)7.5 2 1 1 3 8 8 (
4、)() 6.4()(5.6) 9 6 9 5 5 5 (5a7) y4(49a) 17x3(5n3z) (2xn)6(6a8a) 6 (108y)z 9(8b2ab6) 7 1 1 (ab)(st) 3(9ax)8(m4q) 9 5 3x(3x1) 5x(7x8z)(9z2x) 7(2n2)9n 3(8x9)(7x6) 4(ab3a)(2a9b) 15(abc8a)3(6a7abc) 6(xy2z)(xy4z) 6(pqpr)(9pqpr) 7 x 1 x 0.2x0.933.2x 9 8 3 8 1 5x3x 6(x3)4(x4)3 3 2 1 2 (8x6)x1 4x2(10x)7 6 5
5、 y3 y1 9 2.5x4(x6)10 3 5 0.5x0.80.28.6x 2(9x8)14 3 3 ()()(1) 17(1)3(2) 7 7 1 1 6 ( )( ) 2(12)4(10) 6 8 7 1 (0.8)(100) (4)253 (1)2745 7 1 1 1 ()()0 26(4)2(2 6 9 8 1 1 1 ( )( ) 28(19)3(18) 4 4 7 1 8 ( )(60) (1)443 (1)2981 8 7 (10)(10) 7(7) 9.5(13) 1 1 ()() 53(112) (4)354 4 8 2014(23)(13) 3.7(10)(3.6)0
6、.5 2 1 1 4 6 2 ()() 8.8()(9.1) 3 4 6 5 5 5 (9a3) x3(56a) 7x2(2b5z) (9xb)6(3a4a) 4 (204x)z 7(8c7xy2) 3 1 1 (xy)(pq) 4(8ay)8(n2q) 8 6 5x(2x4) 5x(9x6q)(4q6x) 4(5s2)7s 8(2m6)(3m2) 5(ab6a)(4a3b) 20(abc4a)6(7a7abc) 9(xy3z)(xy8z) 3(pqpr)(7pqpr) 5 x 1 x 0.6x0.93.12.8x 3 2 3 2 1 2x4x 7(x4)9(x9)3 7 3 1 1 (8x2
7、)x2 8x9(18x)7 9 5 y2 y1 5 1.5x2(x3)10 4 5 0.1x0.116.6x 3(6x4)9 4 6 ()()(8) 23(1)2(1) 7 7 8 1 1 ( )( ) 27(30)4(20) 7 8 5 1 (0.9)(20) (5)433 (1)2237 7 1 1 1 ()()0 30(2)3(2 4 8 4 1 1 7 ( )( ) 6(15)7(18) 2 8 6 1 1 ( )(30) (5)352 (1)1122 7 5 (10)(8) 3(7) 3.5(5.5) 1 1 ()() 131(26) (2)332 7 6 3717(16)(5) 2.8(8)(3.7)0.9 2 1 1 2 4 4 ()() 3.9()(3.8) 7 6 3 7 5 5 (8y3) z9(89a) 11m5(5n4z) (8mn)4(2y2a) 8 (164z)z 9(3a4ab1) 7 1 1 (xy)(st) 4(8bx)7(m2p) 4 6 6b(7b7) 3b(8b9d)(7db) 5(9m5)5m 1(3y2)(6y6) 2(
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