1、初一数学上册计算题天天练 37 5 2 ()()(2) 27(3)2(1) 7 7 1 1 4 ( )( ) 5(16)1(19) 8 4 3 1 (0.2)(600) (5)252 (1)1592 2 1 1 1 ()()0 3(4)2(5) 6 8 3 1 9 5 ( )( ) 15(22)5(13) 5 8 6 1 7 ( )(90) (3)332 (1)2767 7 6 (8)(16) 12(14) 4.5(7) 1 1 ()() 71(34) (5)332 3 6 2916(10)(6) 3.8(9.1)(3)3.7 2 1 1 1 8 9 ()() 1.4()(9.7) 5 5 5
2、 7 5 5 (7n9) z8(12b) 10x4(9b3z) (8xb)4(4n6b) 6 (124z)z 8(3d8xy4) 5 1 1 (bc)(mn) 3(6by)3(m3q) 2 2 6x(5x9) 9x(8x6z)(3z2x) 3(8a10)2a 7(4n6)(8n6) 3(ab3a)(2a5b) 8(abc3a)9(9a9abc) 5(xy7z)(xy5z) 6(pqpr)(9pqpr) 5 x 1 x 0.7x0.27.43.4x 9 4 9 8 1 3x1x 2(x8)7(x6)13 3 5 1 1 (7x4)x7 7x3(1x)9 6 5 y3 y2 2 2x8(x3)5
3、3 5 1 2 (13x)(2x5) 3(7x7)12 9 9 1 1 ()()(6) 6(2)3(4) 7 7 8 1 10 ( )( ) 12(27)3(11) 7 4 9 1 (0.7)(1) (3)432 (1)1127 3 1 1 1 ()()0 11(4)3(2) 8 8 6 1 4 7 ( )( ) 28(10)8(19) 8 3 6 1 5 ( )(90) (5)443 (1)2372 2 4 (11)(3) 17(15) 1(21.5) 1 1 ()() 43(28) (1)452 8 2 014(20)(7) 2.1(5.7)(2.1)3.3 2 1 1 4 3 7 ()(
4、) 2.8()(8.6) 7 8 9 7 5 5 (2n9) x4(48b) 15x5(5b7z) (2xb)2(3n9b) 2 (184x)z 4(5b8ab6) 3 1 1 (yz)(st) 2(6ay)4(n6q) 7 3 4y(5y6) y(2y8z)(4zy) 3(2a6)5a 2(6y7)(5y4) 7(ab7a)(9a6b) 13(abc8a)8(7a8abc) 9(xy8z)(xy6z) 6(pqpr)(4pqpr) 5 x 1 x 0.4x0.35.34.6x 6 4 3 2 1 7x1x 6(x8)3(x4)2 5 8 1 4 (4x9)x7 2x5(1x)7 6 5 y2
5、 y1 3 4.5x8.5(x3)50 3 5 1 2 (33x)(5x2) 4(2x8)14 7 7 2 1 ()()(10) 26(3)3(3) 7 7 1 1 2 ( )( ) 27(29)7(10) 9 8 3 1 (0.9)(80) (1)223 (1)2460 4 1 1 1 ()()0 17(1)3(5) 2 3 2 1 1 1 ( )( ) 8(28)8(12) 4 7 3 4 1 ( )(60) (2)212 (1)2296 3 3 (19)(12) 17(12) 6(9) 1 1 ()() 124(179) (0)312 7 7 2711(20)(25) 4.5(2.2)(
6、3.4)0.4 2 1 1 3 9 1 ()() 8.7()(1.5) 7 4 3 5 5 5 (7a6) y8(23c) 10a9(8n7c) (4an)3(8a8c) 1 (1810y)c 3(8c4xy8) 8 1 1 (yz)(st) 3(7bx)8(n4q) 8 2 9y(3y2) y(3y5c)(9cy) 7(4m7)9m 5(6y7)(7y5) 7(ab6a)(4a7b) 20(abc3a)9(3a7abc) 4(xy9z)(xy2z) 4(pqpr)(9pqpr) 7 x 1 x 0.3x0.97.40.4x 3 8 9 8 1 8x7x 5(x3)5(x2)1 3 8 1 2
7、 (8x1)x7 7x8(1x)9 2 5 y1 y2 9 4x8.5(x7)45 2 6 1 2 (52x)(3x2) 3(5x5)18 4 5 2 5 ()()(2) 22(2)2(2) 7 7 3 1 4 ( )( ) 27(13)5(14) 2 6 5 1 (0.3)(300) (1)353 (1)2672 5 1 1 1 ()()0 21(2)2(1) 4 4 8 1 6 5 ( )( ) 10(29)5(11) 2 7 6 5 3 ( )(60) (1)332 (1)1077 6 2 (17)(5) 5(3) 14.5(20.5) 1 1 ()() 183(64) (0)343 6
8、 9 355(2)(8) 3.6(0.9)(1.7)0.5 2 1 1 2 3 7 ()() 6.5()(1.4) 3 8 5 7 5 5 (3b8) y6(77a) 8a4(2n6z) (7an)5(4b8a) 1 (144y)z 5(7b6mn6) 4 1 1 (xy)(ef) 3(9ax)5(n4p) 8 9 4m(2m6) 2m(6m2p)(4p9m) 4(9n2)9n 2(3x6)(7x2) 2(ab6a)(7a7b) 17(abc3a)2(9a5abc) 2(xy9z)(xy3z) 4(pqpr)(4pqpr) 7 x 1 x 0.5x0.90.52.5x 6 6 9 4 1 9x
9、2x 2(x8)8(x6)10 5 8 1 3 (8x2)x6 2x9(2x)9 3 5 y2 y1 1 2.5x2.5(x4)15 2 6 1 2 (43x)(3x5) 5(7x2)17 6 5 2 6 ()()(10) 2(2)3(1) 7 7 6 1 1 ( )( ) 5(17)5(12) 7 6 7 1 (0.5)(900) (4)223 (1)2102 5 1 1 1 ()()0 13(3)2(5) 8 7 9 1 6 1 ( )( ) 18(22)5(19) 2 5 5 4 2 ( )(30) (3)253 (1)1727 3 3 (2)(5) 0(12) 0.5(12.5) 1
10、1 ()() 31(157) (1)433 5 8 267(5)(1) 9.4(7.9)(2)6.9 2 1 1 2 7 7 ()() 1.8()(9.6) 5 9 2 7 5 5 (6a2) y6(25c) 13m6(6n7t) (2mn)4(7a7c) 7 (202y)t 5(5d8bc8) 6 1 1 (bc)(pq) 3(6ax)6(n4q) 2 3 5y(3y5) 8y(6y3d)(4d5y) 9(6a8)5a 9(2n4)(7n7) 9(ab3a)(2a3b) 20(abc5a)8(5a8abc) 8(xy8z)(xy9z) 5(pqpr)(4pqpr) 5 x 1 x 0.1x0
11、.66.25.3x 9 4 3 2 1 9x3x 5(x9)5(x2)17 5 9 1 3 (2x1)x1 3x4(1x)8 4 5 y3 y2 9 1.5x5(x8)30 4 6 1 2 (24x)(5x5) 6(8x9)9 6 5 2 4 ()()(10) 26(1)2(4) 7 7 1 1 8 ( )( ) 4(23)3(13) 9 2 9 1 (0.5)(8) (1)423 (1)1809 2 1 1 1 ()()0 6(2)2(4) 7 4 7 1 7 6 ( )( ) 19(26)8(16) 6 8 5 1 1 ( )(90) (5)422 (1)2286 4 2 (5)(2) 1
12、5(2) 9.5(4) 1 1 ()() 155(164) (1)354 4 8 145(29)(20) 0.1(3.3)(2)8.4 2 1 1 1 3 7 ()() 8.4()(9.6) 3 8 3 5 5 5 (4m9) y2(15c) 10x8(5y7z) (6xy)8(4m3c) 8 (108y)z 6(6a8ab5) 9 1 1 (xy)(st) 4(6ax)5(m3q) 9 4 2a(3a9) 9a(8a6p)(3p2a) 4(2n8)4n 6(2b7)(3b10) 8(ab4a)(9a7b) 8(abc2a)6(4a6abc) 6(xy8z)(xy6z) 8(pqpr)(7pq
13、pr) 7 x 1 x 0.4x0.34.73.3x 3 6 3 2 1 7x4x 4(x2)9(x8)6 9 4 1 1 (8x9)x7 9x6(8x)2 3 5 y1 y2 2 4x4.5(x8)20 3 6 1 2 (12x)(2x4) 8(3x5)7 8 9 3 1 ()()(9) 14(4)2(3) 7 7 1 1 6 ( )( ) 8(25)5(20) 4 6 7 1 (0.8)(5) (4)212 (1)1704 5 1 1 1 ()()0 5(4)2(2) 2 6 9 1 7 1 ( )( ) 1(26)1(12) 6 8 3 1 6 ( )(10) (2)422 (1)1407 6 5 (19)(15) 13(8) 11.5(1.5) 1 1 ()() 122(71) (0)214 2 3 3218(24)(28) 0.5(3.8)(3.9)0.7 2 1 1 2 8 2 ()() 7.8()(5.9) 3 4 2 7 5 5 (5y2) z9(59c) 5x4(2n6z) (9xn)7(3y3c) 1 (144z)z 8(7c6mn6) 2 1 1 (ab)(ef) 5(8bx)4(n8p) 4 4 9x(8x1) x(6x9c)(3c4x)
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