1、七年级数学上册计算题天天练851 1 6 ( )( ) 10(24)6(16) 5 4 5 6 1 ( )(100) (3)252 (1)1304 5 4 (15)(15) 2(5) 0(15) 1 1 ()() 134(26) (5)423 5 6 171(29)(20) 8.5(5)(3.2)4 2 1 1 1 1 2 ()() 4.1()(8.2) 7 6 5 5 5 5 (7x8) x8(35a) 10x9(8b7c) (5xb)9(2x4a) 4 (128x)c 5(2d4mn8) 5 1 1 (xy)(st) 5(7ax)6(n9q) 7 4 6a(3a2) a(5a7c)(9c3
2、a) 8(4t10)4t 8(5x9)(7x1) 4(ab7a)(3a3b) 20(abc4a)7(5a9abc) 3(xy4z)(xy4z) 6(pqpr)(5pqpr) 5 x 1 x 0.7x0.840.2x 3 8 9 4 1 3x7x 4(x8)2(x8)6 9 9 1 4 (3x3)x3 6x4(7x)2 2 5 y2 y1 4 0.5x9(x4)5 3 5 1 2 (33x)(4x5) 4(7x4)17 3 5 3 5 ()()(2) 18(4)3(2) 7 7 1 1 1 ( )( ) 25(21)10(16) 6 8 7 1 (0.4)(300) (3)312 (1)2458
3、 8 1 1 1 ()()0 26(1)2(4 6 8 5 1 4 3 ( )( ) 5(13)8(13) 3 5 2 1 7 ( )(20) (1)343 (1)1360 7 8 (19)(17) 3(19) 3.5(23) 1 1 ()() 35(92) (0)454 2 9 812(19)(3) 6.6(3.9)(1.1)5.7 2 1 1 4 9 8 ()() 3.8()(7.1) 5 5 4 7 5 5 (5m7) z4(74a) 3m2(2n4c) (5mn)2(5m8a) 7 (126z)c 5(2a2mn5) 6 1 1 (bc)(ef) 5(9ay)6(m4q) 6 6 5n
4、(5n6) 7n(3n2c)(7cn) 3(2t8)8t 1(9m10)(9m1) 9(ab4a)(8a5b) 4(abc2a)8(7a9abc) 5(xy4z)(xy2z) 7(pqpr)(9pqpr) 7 x 1 x 0.2x0.62.57.7x 6 8 3 8 1 8x5x 4(x3)4(x5)1 5 9 1 2 (8x5)x3 2x5(13x)6 6 5 y2 y2 6 4.5x7.5(x4)25 3 5 1 2 (54x)(2x3) 6(6x9)16 9 5 6 6 ()()(10) 25(2)3(5) 7 7 6 1 10 ( )( ) 8(15)7(18) 5 2 9 1 (0.
5、3)(200) (4)313 (1)1409 7 1 1 1 ()()0 18(2)2(4 9 4 7 1 1 4 ( )( ) 11(30)6(20) 3 3 5 3 1 ( )(20) (4)453 (1)2065 2 2 (19)(14) 5(10) 6(0.5) 1 1 ()() 194(186) (2)233 7 2 39(27)(7) 8.8(7.7)(0.8)6.9 2 1 1 4 9 8 ()() 9.4()(9.4) 3 4 8 5 5 5 (5n2) x8(25c) 6m9(6b2t) (7mb)4(4n2c) 6 (1010x)t 3(4d6xy5) 7 1 1 (xy)
6、(st) 5(7bx)9(n5p) 8 9 6b(4b5) 6b(5b8s)(3sb) 5(6n6)3n 3(5y7)(9y8) 9(ab5a)(5a4b) 15(abc7a)9(5a4abc) 9(xy3z)(xy9z) 7(pqpr)(9pqpr) 7 x 1 x 0.5x0.65.60.5x 3 2 6 8 1 5x8x 6(x4)5(x2)1 7 9 1 1 (8x3)x1 2x7(15x)7 5 5 y3 y1 5 1.5x1(x3)25 2 6 1 2 (24x)(5x4) 6(8x5)9 2 5 5 5 ()()(6) 2(4)3(5) 7 7 3 1 1 ( )( ) 24(1
7、1)6(12) 2 8 5 1 (0.5)(7) (2)232 (1)2072 5 1 1 1 ()()0 18(3)2(5 3 7 6 1 8 2 ( )( ) 4(16)8(18) 7 7 3 1 6 ( )(10) (3)423 (1)1828 5 5 (10)(4) 19(9) 12(6.5) 1 1 ()() 24(121) (5)443 4 4 243(2)(20) 5.8(0.8)(3)4.8 2 1 1 3 1 2 ()() 6.4()(6.7) 9 8 8 5 5 5 (5n8) z7(18b) 20a7(3n6t) (8an)2(6n2b) 5 (210z)t 2(9b6x
8、y3) 4 1 1 (bc)(ef) 4(8bx)7(m2q) 8 7 5n(9n6) n(4n2z)(7zn) 9(9b10)7b 6(5y6)(4y7) 6(ab9a)(6a4b) 11(abc8a)6(3a4abc) 9(xy4z)(xy6z) 2(pqpr)(2pqpr) 7 x 1 x 0.9x0.18.70.3x 6 2 6 2 1 7x5x 3(x1)5(x5)3 5 7 1 1 (5x3)x1 2x2(7x)2 4 5 y1 y3 6 4x1(x7)5 3 5 1 2 (53x)(5x3) 3(8x2)20 4 5 3 6 ()()(2) 18(2)2(1) 7 7 1 1 1
9、 ( )( ) 24(18)7(13) 7 8 9 1 (0.5)(9) (2)233 (1)2036 4 1 1 1 ()()0 7(1)2(5 8 9 2 1 3 3 ( )( ) 6(18)10(17) 7 4 4 1 1 ( )(50) (1)352 (1)2218 4 2 (3)(16) 0(3) 13(15) 1 1 ()() 135(208) (3)312 2 4 3218(17)(4) 6.6(9.5)(2.9)6.6 2 1 1 2 7 6 ()() 1.9()(3.7) 5 8 8 7 5 5 (3b2) z5(83b) 13x9(9n9c) (4xn)3(5b7b) 10
10、 (204z)c 9(5c9bc3) 9 1 1 (yz)(pq) 5(6ax)6(m2q) 9 2 5a(2a1) a(5a3q)(6q8a) 7(7b4)3b 7(3m5)(2m7) 9(ab4a)(2a2b) 18(abc5a)5(7a8abc) 7(xy8z)(xy2z) 2(pqpr)(8pqpr) 5 x 1 x 0.5x0.80.80.5x 6 6 3 8 1 4x9x 2(x4)8(x4)4 3 2 1 2 (5x1)x2 8x6(5x)1 2 5 y2 y2 5 4x8(x7)5 3 6 1 2 (44x)(2x3) 9(8x8)7 2 5 1 1 ()()(6) 9(3)2
11、(4) 7 7 5 1 4 ( )( ) 18(14)1(17) 4 6 3 1 (0.7)(70) (1)432 (1)2462 8 1 1 1 ()()0 24(1)2(4 3 4 5 1 1 1 ( )( ) 13(12)3(10) 7 7 5 1 7 ( )(50) (3)343 (1)1645 2 6 (1)(3) 11(10) 2(21) 1 1 ()() 192(1510) (3)223 7 6 323(27)(4) 2.7(8.6)(0.1)8.6 2 1 1 1 7 6 ()() 8.7()(3.4) 7 6 5 5 5 5 (2m2) x2(67c) 15a7(5b8t) (5ab)5(5m4c) 1 (46x)t 9(6a3xy5) 8 1 1 (ab)(st) 2(8bx)5(n5p) 3 2 2x(3x7) 6x(9x6d)(9dx)
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