1、七年级数学上册计算题天天练100 2 1 ()()(3) 28(2)2(1) 7 7 4 1 1 ( )( ) 22(18)5(13) 3 6 5 1 (0.2)(200) (3)353 (1)2193 6 1 1 1 ()()0 6(3)2(4 2 9 4 1 8 3 ( )( ) 19(20)1(20) 3 7 4 8 3 ( )(50) (4)353 (1)2287 7 2 (18)(9) 3(2) 11(21) 1 1 ()() 112(88) (4)244 4 3 223(14)(10) 1.3(1.2)(3)6.8 2 1 1 4 1 4 ()() 8.9()(8.6) 3 2 4
2、 7 5 5 (5a2) y4(58b) 7m4(5n5t) (7mn)3(4a6b) 2 (166y)t 5(2b3mn1) 3 1 1 (yz)(ef) 4(7by)6(n2p) 3 2 5n(6n4) 3n(8n6z)(7z2n) 2(3m6)3m 7(5b7)(8b4) 7(ab6a)(7a9b) 9(abc9a)5(6a9abc) 6(xy9z)(xy9z) 8(pqpr)(4pqpr) 5 x 1 x 0.9x0.37.93.5x 9 4 3 2 1 7x2x 8(x5)7(x9)17 7 9 1 1 (3x2)x2 3x5(3x)8 2 5 y3 y3 9 2x8(x3)50 2
3、 5 1 2 (54x)(4x4) 9(9x6)2 4 9 4 6 ()()(2) 27(3)2(4) 7 7 1 1 8 ( )( ) 18(14)1(17) 7 8 7 1 (0.7)(400) (5)252 (1)2723 8 1 1 1 ()()0 12(1)2(4 6 4 9 1 3 7 ( )( ) 9(21)2(15) 2 2 6 9 1 ( )(50) (5)432 (1)1982 8 6 (5)(19) 3(10) 11.5(5.5) 1 1 ()() 135(183) (5)452 6 8 4020(4)(8) 0.1(6.8)(1.3)2.4 2 1 1 4 8 8 ()
4、() 6.1()(3.7) 5 5 5 7 5 5 (4y5) x9(77b) 8x8(7y9t) (9xy)3(6y3b) 4 (1610x)t 8(8b7xy6) 3 1 1 (bc)(ef) 4(8ax)9(n2p) 9 3 9a(2a3) a(2a3p)(2p7a) 5(6a6)7a 4(7m3)(6m9) 8(ab6a)(2a6b) 14(abc3a)4(2a4abc) 9(xy5z)(xy4z) 4(pqpr)(5pqpr) 5 x 1 x 0.4x0.92.29.2x 6 2 3 8 1 3x1x 6(x4)8(x3)11 3 4 1 2 (4x7)x8 5x9(3x)8 6 5
5、 y3 y1 1 4.5x5.5(x8)5 2 5 1 2 (43x)(5x3) 6(7x5)5 9 3 1 4 ()()(1) 6(1)3(4) 7 7 7 1 4 ( )( ) 26(28)3(19) 8 8 5 1 (0.7)(400) (4)412 (1)1569 7 1 1 1 ()()0 22(2)3(4 2 6 8 1 7 5 ( )( ) 20(12)7(13) 3 6 6 5 3 ( )(80) (2)223 (1)1980 6 4 (13)(6) 13(15) 8(9) 1 1 ()() 61(22) (1)453 3 5 398(24)(14) 6.9(8.3)(2.1)
6、3.2 2 1 1 2 8 9 ()() 5.3()(2.7) 7 9 4 7 5 5 (6a9) y8(73c) 12x7(8b7z) (2xb)8(2a2c) 1 (42y)z 8(6b6bc4) 8 1 1 (yz)(st) 5(8ax)9(n4p) 2 4 5y(4y8) y(4y2s)(4sy) 3(7n4)2n 9(9x1)(4x3) 6(ab3a)(3a9b) 8(abc8a)9(3a4abc) 3(xy8z)(xy9z) 3(pqpr)(2pqpr) 7 x 1 x 0.4x0.94.85.6x 3 6 9 4 1 5x2x 9(x2)6(x1)15 5 7 1 4 (8x1)
7、x5 2x8(4x)4 9 5 y1 y2 2 1.5x1.5(x6)30 4 5 1 2 (34x)(5x1) 6(9x5)17 2 9 1 5 ()()(1) 24(2)3(1) 7 7 7 1 8 ( )( ) 24(15)3(20) 8 4 9 1 (0.4)(1000) (3)332 (1)1747 5 1 1 1 ()()0 19(4)2(4 8 2 3 1 6 1 ( )( ) 4(26)9(10) 6 5 7 1 1 ( )(50) (5)232 (1)2096 2 6 (14)(17) 10(15) 15(1.5) 1 1 ()() 162(36) (4)424 3 6 28
8、6(10)(12) 0.7(7.9)(0.8)9.6 2 1 1 2 3 3 ()() 3.9()(3.1) 3 4 4 7 5 5 (9m1) z7(49b) 17m2(9y3t) (9my)7(3m5b) 9 (22z)t 2(8b3bc4) 8 1 1 (xy)(st) 4(7ax)8(m6q) 7 4 2y(3y5) 3y(6y5s)(4sy) 8(8b10)2b 6(6x2)(5x2) 4(ab3a)(6a9b) 3(abc8a)5(5a7abc) 5(xy5z)(xy6z) 4(pqpr)(7pqpr) 5 x 1 x 0.4x0.393.6x 6 8 3 8 1 6x2x 5(x
9、2)3(x9)11 9 2 1 1 (4x6)x8 2x9(14x)6 3 5 y2 y2 2 1x5.5(x5)40 2 6 1 2 (22x)(4x1) 9(6x6)1 5 3 3 5 ()()(7) 2(4)3(3) 7 7 1 1 1 ( )( ) 30(14)10(19) 6 8 7 1 (0.4)(400) (5)243 (1)1644 5 1 1 1 ()()0 17(1)3(5 4 6 4 1 3 1 ( )( ) 17(19)5(17) 8 4 3 1 3 ( )(30) (4)342 (1)2249 3 2 (12)(12) 2(2) 3(19) 1 1 ()() 13(9
10、10) (5)213 8 8 3515(23)(18) 9.4(3.7)(0.3)3.7 2 1 1 2 7 1 ()() 9.9()(4.9) 7 5 3 7 5 5 (4a3) y3(86a) 17x7(5y2t) (7xy)4(3a5a) 8 (1010y)t 2(6b6mn8) 7 1 1 (ab)(pq) 2(8by)7(n3p) 8 9 7x(2x7) x(7x4z)(5z8x) 4(8t1)4t 6(4y2)(7y5) 4(ab6a)(9a5b) 4(abc7a)5(7a7abc) 2(xy6z)(xy6z) 9(pqpr)(5pqpr) 5 x 1 x 0.3x0.57.14x
11、 3 8 9 2 1 2x4x 7(x8)8(x4)20 3 7 1 1 (6x3)x5 4x9(10x)9 3 5 y2 y3 6 3x6(x2)30 3 5 1 2 (13x)(3x2) 6(2x3)10 6 5 3 4 ()()(6) 24(3)3(2) 7 7 1 1 1 ( )( ) 27(16)3(20) 7 2 9 1 (0.4)(2) (5)332 (1)2962 7 1 1 1 ()()0 12(4)3(2 2 6 2 1 4 1 ( )( ) 3(26)7(14) 6 5 8 3 2 ( )(30) (3)433 (1)2203 4 3 (15)(4) 12(13) 6.5(17) 1 1 ()() 92(1110) (5)333 8 8 365(27)(10) 6.8(2.7)(0.9)4.4 2 1 1 3 9 1 ()() 3.5()(1.2) 7 7 4 5 5 5 (4a3) y4(54c)
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