1、初一数学上册计算训练营105 2 2 ()()(8) 19(3)2(2) 7 7 1 1 6 ( )( ) 18(17)4(13) 9 4 7 1 (0.4)(60) (4)223 (1)2472 3 1 1 1 ()()0 12(3)2(3 8 4 7 1 4 4 ( )( ) 22(18)4(10) 5 5 3 1 1 ( )(90) (2)312 (1)2984 4 7 (20)(7) 8(9) 6.5(24.5) 1 1 ()() 74(153) (4)414 3 6 93(24)(5) 4.3(6.5)(3.1)6.1 2 1 1 2 3 1 ()() 6.6()(6.2) 9 2
2、2 5 5 5 (5m8) y9(94c) 3a9(5n4z) (8an)7(9m9c) 1 (188y)z 3(5b7ab1) 2 1 1 (yz)(ef) 5(9ax)3(n2p) 5 5 5y(5y7) y(5y3z)(8z5y) 8(2s8)8s 1(3y8)(4y1) 4(ab4a)(5a2b) 5(abc3a)8(6a2abc) 5(xy4z)(xy5z) 2(pqpr)(4pqpr) 5 x 1 x 0.9x0.54.99.6x 3 6 3 2 1 7x3x 8(x5)9(x5)8 3 3 1 1 (7x9)x2 5x5(2x)4 9 5 y2 y2 6 0.5x7(x3)10
3、3 6 0.3x0.12.54.1x 4(3x6)18 1 3 ()()(4) 4(4)3(4) 7 7 7 1 6 ( )( ) 28(14)10(18) 6 2 5 1 (0.2)(70) (1)243 (1)1648 9 1 1 1 ()()0 17(3)3(4 5 5 9 1 4 9 ( )( ) 4(24)9(12) 2 5 8 6 1 ( )(100) (3)242 (1)2176 5 2 (9)(8) 4(2) 11.5(4) 1 1 ()() 122(161) (1)442 7 8 1510(5)(12) 0.2(2.6)(4.6)8.3 2 1 1 1 3 1 ()() 7.
4、8()(1.8) 9 8 7 7 5 5 (4x9) y8(24a) 10a9(2b6t) (2ab)4(7x6a) 8 (62y)t 2(8c4mn6) 7 1 1 (xy)(pq) 5(7ax)4(n8p) 4 3 4n(7n9) n(6n7q)(9q8n) 6(9s1)5s 5(2b4)(7b4) 7(ab8a)(5a8b) 2(abc9a)8(4a6abc) 7(xy2z)(xy3z) 7(pqpr)(4pqpr) 7 x 1 x 0.9x0.76.43.7x 9 6 3 8 1 4x7x 3(x6)4(x2)9 5 5 1 4 (6x5)x9 2x6(16x)9 8 5 y3 y1
5、6 1.5x2.5(x3)45 3 6 0.4x0.79.94.5x 8(8x8)6 4 4 ()()(1) 25(1)3(1) 7 7 4 1 2 ( )( ) 24(13)2(15) 3 2 3 1 (0.6)(40) (5)352 (1)2468 4 1 1 1 ()()0 29(4)2(3 9 5 6 1 1 1 ( )( ) 5(29)8(11) 4 6 8 1 1 ( )(60) (4)212 (1)1366 5 2 (2)(9) 1(11) 4(10) 1 1 ()() 80(106) (3)452 3 9 613(29)(28) 6.3(0.4)(1.5)3.1 2 1 1 3
6、 8 7 ()() 5.9()(9.1) 7 7 2 5 5 5 (7b3) y8(42c) 9a8(3b4t) (4ab)4(5b4c) 7 (168y)t 7(9d9xy1) 8 1 1 (ab)(pq) 2(8bx)5(n3p) 3 4 9y(5y9) 3y(7y9z)(3z9y) 8(8t6)9t 2(6n9)(2n8) 7(ab5a)(5a5b) 3(abc8a)9(4a3abc) 4(xy5z)(xy7z) 4(pqpr)(9pqpr) 5 x 1 x 0.2x0.90.11.6x 6 4 6 2 1 8x8x 2(x6)3(x7)18 3 2 1 1 (4x2)x8 5x6(4x
7、)7 2 5 y2 y1 7 2.5x4.5(x2)5 4 5 0.6x0.53.95.3x 3(6x2)14 4 2 ()()(7) 19(4)2(1) 7 7 1 1 1 ( )( ) 11(25)3(20) 2 4 3 1 (0.9)(7) (5)352 (1)1858 5 1 1 1 ()()0 24(4)3(1 4 9 2 1 4 9 ( )( ) 27(25)9(19) 3 3 8 1 1 ( )(20) (1)413 (1)1063 4 7 (17)(9) 12(13) 15(6) 1 1 ()() 82(106) (3)212 2 8 2813(30)(12) 4.3(4.7)(0.8)7.8 2 1 1 2 1 1 ()() 8.7()(3.1) 3 5 9 7 5 5 (9a1) z3(56a) 9a4(4b5t) (9ab)5(9a2a) 1 (168z)t 7(4d8mn9) 6 1 1 (xy)(st) 3(7ay)9(n4p) 2 2 3n(4n2) 8n(5n7s)(9s4n) 5(8a8)4a 9(5b1)(9b5) 4(ab
copyright@ 2008-2022 冰豆网网站版权所有
经营许可证编号:鄂ICP备2022015515号-1