七年级数学上册计算题天天练11.docx

1、七年级数学上册计算题天天练11 1 1 (ab)(ef) 5(6ay)8(m8p) 2 5 7n(6n5) n(2n3q)(6qn) 9(8b7)5b 10(6m8)(3m10) 2(ab9a)(7a8b) 11(abc7a)7(7a7abc) 9(xy9z)(xy5z) 2(pqpr)(6pqpr) 7 x 1 x 0.6x0.35.75.7x 9 8 3 2 1 9x8x 8(x7)8(x8)11 9 5 1 2 (8x3)x7 9x6(11x)3 6 5 y3 y2 3 0.5x1.5(x2)50 2 6 1 2 (14x)(5x1) 7(8x9)6 8 9 3 4 ()()(10) 1

2、7(1)2(1) 7 7 8 1 2 ( )( ） 27(14)1(13) 9 8 3 1 (0.9)(90) (1)332 (1)1109 7 1 1 1 ()()0 11(1)2(4 4 3 2 1 4 1 ( )( ) 1(21)5(15) 5 3 2 1 1 ( )(80) (5)353 (1)2503 8 4 (6)(3) 14(5) 9.5(1.5) 1 1 ()() 94(65) (4)423 8 4 342(28)(11) 7.1(3.7)(1.5)1.1 2 1 1 4 7 3 ()() 5.7()(9.9) 9 4 3 5 5 5 (2n8) y6(87b) 19a8(8b

3、7c) (8ab)8(2n8b) 10 (102y)c 8(5b4mn2) 9 1 1 (yz)(ef) 4(7ax)7(n2q) 9 4 3m(4m7) m(4m5q)(2q3m) 3(3a6)2a 9(3m3)(3m8) 9(ab3a)(3a7b) 6(abc5a)2(9a9abc) 3(xy6z)(xy3z) 9(pqpr)(6pqpr) 5 x 1 x 0.4x0.72.18.8x 3 8 6 2 1 2x1x 5(x1)9(x7)4 9 8 1 3 (6x7)x6 2x8(9x)7 9 5 y2 y1 6 0.5x5(x3)45 2 5 1 2 (23x)(3x1) 7(7x2)3

4、3 9 2 2 ()()(6) 28(2)3(5) 7 7 1 1 2 ( )( ） 15(10)6(13) 2 4 3 1 (0.6)(5) (3)333 (1)2030 6 1 1 1 ()()0 13(2)3(3 9 5 3 1 4 1 ( )( ) 13(15)2(16) 8 5 4 1 4 ( )(40) (1)422 (1)2101 6 5 (8)(1) 2(4) 0(17.5) 1 1 ()() 185(105) (0)422 5 6 2218(16)(4) 7.3(7.3)(3.8)0.8 2 1 1 3 6 2 ()() 4.5()(3.4) 5 8 2 7 5 5 (9x9

5、) z2(29a) 16m7(3b3c) (7mb)9(9x9a) 1 (42z)c 8(5b7ab9) 5 1 1 (bc)(ef) 3(6by)5(m6p) 9 8 9x(6x6) 2x(2x8c)(4c9x) 2(2t4)5t 2(7y6)(8y8) 3(ab4a)(3a8b) 3(abc9a)7(6a3abc) 6(xy6z)(xy7z) 6(pqpr)(8pqpr) 7 x 1 x 0.2x0.990.5x 6 2 9 4 1 8x2x 7(x4)3(x4)20 9 3 1 4 (5x3)x4 4x4(19x)1 7 5 y3 y2 9 4.5x4(x5)40 3 6 1 2 (24

6、x)(3x1) 7(4x5)20 3 9 6 5 ()()(1) 8(1)2(3) 7 7 10 1 2 ( )( ） 27(20)4(12) 9 4 3 1 (0.5)(5) (1)342 (1)2265 9 1 1 1 ()()0 16(1)2(2 6 6 6 1 5 7 ( )( ) 22(22)9(19) 2 4 8 1 4 ( )(60) (3)422 (1)2415 8 5 (1)(13) 8(7) 14.5(23) 1 1 ()() 32(201) (5)352 8 5 3519(8)(8) 0.3(2.4)(0.7)7.6 2 1 1 2 7 9 ()() 6.4()(3.3)

7、 5 8 2 7 5 5 (4b8) z8(47b) 16m7(4n3z) (9mn)5(9b2b) 1 (410z)z 6(7a9mn1) 2 1 1 (bc)(pq) 2(6by)3(m8q) 2 6 7b(4b7) 2b(3b6p)(6p5b) 6(8n4)3n 8(5b9)(7b8) 4(ab4a)(3a4b) 5(abc3a)2(9a3abc) 5(xy3z)(xy7z) 9(pqpr)(8pqpr) 5 x 1 x 0.1x0.29.61.5x 9 8 9 2 1 6x3x 2(x7)3(x3)12 3 3 1 2 (6x2)x5 6x4(14x)6 3 5 y2 y3 9 3x0

8、.5(x1)50 2 6 1 2 (13x)(5x2) 6(4x4)13 6 9 6 4 ()()(6) 5(3)2(5) 7 7 10 1 4 ( )( ） 21(25)8(14) 9 8 5 1 (0.7)(500) (4)253 (1)1918 5 1 1 1 ()()0 23(4)3(2 3 6 8 1 1 8 ( )( ) 10(24)10(18) 4 6 7 4 9 ( )(40) (3)412 (1)1086 5 8 (15)(15) 9(20) 3(22) 1 1 ()() 153(193) (1)453 5 7 3611(11)(1) 2.7(3)(4.1)8.5 2 1 1

9、 1 3 3 ()() 4.6()(7.2) 5 5 6 7 5 5 (5m4) x3(53b) 3m4(3n2c) (3mn)3(4m3b) 4 (128x)c 8(8a4xy9) 5 1 1 (xy)(ef) 4(8by)6(m9q) 3 7 6n(9n1) n(5n2d)(7d7n) 5(2t6)5t 4(8y1)(3y9) 2(ab7a)(7a3b) 6(abc3a)9(2a4abc) 5(xy8z)(xy4z) 7(pqpr)(8pqpr) 7 x 1 x 0.8x0.43.34.4x 6 8 6 8 1 3x1x 9(x5)3(x7)20 5 6 1 1 (5x6)x1 4x2(1

10、3x)7 7 5 y3 y3 8 4x3.5(x9)20 3 6 1 2 (22x)(2x4) 5(3x6)2 5 7 4 4 ()()(10) 4(3)2(2) 7 7 1 1 8 ( )( ） 13(21)4(16) 2 8 9 1 (0.4)(10) (5)242 (1)1814 4 1 1 1 ()()0 19(3)2(4 6 3 2 1 9 1 ( )( ) 8(25)5(12) 8 8 7 5 3 ( )(70) (3)432 (1)1354 4 2 (13)(12) 1(3) 8(12.5) 1 1 ()() 43(164) (5)242 9 3 1513(29)(26) 10(

11、9.1)(3.1)0.6 2 1 1 4 8 9 ()() 8.8()(5.5) 5 6 4 7 5 5 (9y5) x5(68c) 8m6(9y2t) (2my)9(8y5c) 1 (22x)t 8(4d3mn6) 3 1 1 (ab)(mn) 2(9by)5(m7q) 4 6 8a(9a4) 9a(6a5d)(9d4a) 2(4m10)3m 7(5x8)(5x4) 2(ab2a)(9a4b) 17(abc6a)2(8a7abc) 8(xy6z)(xy9z) 9(pqpr)(2pqpr) 5 x 1 x 0.8x0.31.95x 3 6 3 4 1 6x8x 3(x3)4(x4)19 7 9 1 3 (6x8)x5 3x2(6x)4 2 5 y1 y3 3 3.5x4(x1)30 2 6 1 2 (23x)(4x3) 4(4x1)17 6 9