1、初一数学上册计算训练营63 2 6 ()()(10) 9(1)2(1) 7 7 7 1 8 ( )( ) 21(25)8(14) 6 4 7 1 (0.5)(50) (5)343 (1)2906 7 1 1 1 ()()0 18(2)3(4 4 3 9 1 5 4 ( )( ) 27(16)8(12) 8 6 3 7 1 ( )(60) (3)352 (1)1171 6 3 (20)(1) 12(4) 6.5(1.5) 1 1 ()() 131(204) (0)334 5 6 333(20)(20) 7.5(3.2)(0.1)2 2 1 1 3 7 6 ()() 7.6()(8.5) 9 9
2、9 5 5 5 (4b9) z9(49b) 2m5(8b8t) (6mb)8(7b2b) 1 (188z)t 9(6d5xy5) 6 1 1 (bc)(pq) 3(8ay)7(m2q) 9 9 9b(7b9) b(4b2c)(6c9b) 7(6s10)9s 4(3y7)(4y9) 5(ab9a)(3a4b) 7(abc4a)6(9a4abc) 7(xy6z)(xy3z) 5(pqpr)(4pqpr) 7 x 1 x 0.8x0.83.26.5x 9 6 3 2 1 9x5x 8(x3)2(x3)17 3 9 1 3 (5x6)x3 8x2(4x)9 5 5 y2 y2 6 1x9.5(x8)1
3、5 3 5 0.9x0.34.92.1x 4(5x5)3 1 3 ()()(1) 3(1)3(3) 7 7 1 1 6 ( )( ) 18(20)9(19) 9 8 5 1 (0.6)(8) (4)423 (1)2377 5 1 1 1 ()()0 30(1)3(2 8 5 4 1 1 5 ( )( ) 23(20)9(15) 3 5 4 1 8 ( )(60) (4)223 (1)1728 3 7 (10)(1) 17(12) 15(7.5) 1 1 ()() 161(134) (5)232 3 4 1613(22)(24) 9.3(3.8)(3.8)4.4 2 1 1 4 2 6 ()()
4、 7.9()(4.8) 9 7 3 7 5 5 (4b8) y3(22a) 3m7(3b4c) (4mb)4(3b9a) 1 (24y)c 5(8c2bc1) 3 1 1 (bc)(ef) 5(9bx)8(n9q) 6 6 7x(9x6) x(2x7q)(3q2x) 6(3m1)4m 8(8a6)(6a9) 4(ab2a)(3a2b) 4(abc7a)5(7a8abc) 2(xy7z)(xy5z) 6(pqpr)(4pqpr) 7 x 1 x 0.9x0.93.34.7x 9 6 3 8 1 5x8x 7(x7)8(x6)4 9 6 1 2 (9x7)x8 7x2(5x)6 2 5 y3 y3
5、 6 1.5x3.5(x9)5 4 6 0.6x0.31.55.4x 5(4x9)9 5 2 ()()(3) 12(2)2(5) 7 7 1 1 1 ( )( ) 9(20)4(17) 8 8 7 1 (0.2)(7) (5)343 (1)1840 7 1 1 1 ()()0 18(2)2(5 9 2 2 1 1 1 ( )( ) 21(16)9(14) 4 6 6 1 3 ( )(70) (2)323 (1)1277 7 2 (13)(13) 14(13) 8.5(12.5) 1 1 ()() 194(64) (2)443 6 5 226(14)(11) 9.2(6.9)(1)0.9 2 1
6、 1 2 6 3 ()() 5.7()(4.7) 9 3 4 7 5 5 (5m7) y6(24b) 5a2(4b6t) (3ab)3(8m9b) 1 (46y)t 3(2b8mn2) 6 1 1 (xy)(mn) 2(8bx)3(n2p) 8 5 3m(7m7) m(3m5p)(6p6m) 6(4a10)5a 7(5b3)(4b6) 8(ab4a)(5a7b) 6(abc2a)4(2a3abc) 3(xy3z)(xy4z) 8(pqpr)(3pqpr) 5 x 1 x 0.6x0.11.37.6x 6 6 3 2 1 4x4x 4(x5)7(x9)18 3 3 1 3 (2x4)x8 5x7
7、(3x)9 5 5 y2 y2 4 4.5x2(x5)20 3 6 0.2x0.577.8x 6(9x1)4 2 2 ()()(8) 23(2)3(3) 7 7 1 1 1 ( )( ) 4(11)5(18) 8 8 9 1 (0.3)(10) (2)323 (1)2921 3 1 1 1 ()()0 16(1)3(2 9 6 2 1 1 1 ( )( ) 23(21)9(10) 6 5 2 1 1 ( )(100) (2)212 (1)2964 5 2 (12)(15) 16(18) 3.5(6.5) 1 1 ()() 53(206) (5)312 4 7 213(5)(4) 9.4(5.2
8、)(4.7)0.1 2 1 1 1 2 6 ()() 1.2()(1.8) 9 5 3 7 5 5 (6b4) y5(69a) 9m5(8n4c) (9mn)9(6b3a) 3 (86y)c 8(6d7xy7) 4 1 1 (xy)(st) 4(7by)8(m8q) 7 9 8b(5b9) b(8b4d)(8d4b) 6(6n10)8n 10(8a3)(7a5) 4(ab4a)(8a9b) 7(abc2a)4(9a9abc) 8(xy3z)(xy8z) 6(pqpr)(7pqpr) 7 x 1 x 0.7x0.97.84x 3 8 6 4 1 5x7x 9(x1)8(x2)16 3 2 1 1
9、 (8x8)x8 9x3(3x)1 2 5 y1 y1 8 5x8(x8)25 2 6 0.7x0.76.40.5x 4(7x8)1 6 6 ()()(5) 23(4)2(4) 7 7 10 1 6 ( )( ) 4(19)9(13) 9 6 7 1 (0.9)(300) (2)452 (1)1622 3 1 1 1 ()()0 21(2)2(3 5 7 9 1 9 3 ( )( ) 5(21)5(17) 6 8 2 2 9 ( )(40) (4)432 (1)1915 3 8 (1)(15) 5(7) 4(16.5) 1 1 ()() 12(42) (0)454 3 3 286(16)(4)
10、 3.3(10)(2.3)7.8 2 1 1 1 9 9 ()() 8.7()(3.4) 3 8 5 7 5 5 (4a8) x2(92a) 6a9(6b4t) (8ab)9(4a4a) 5 (122x)t 4(2a4xy9) 6 1 1 (xy)(ef) 5(8by)9(n3q) 9 3 7n(9n5) n(3n7c)(2c3n) 7(6m5)4m 2(8a1)(6a10) 3(ab7a)(6a5b) 14(abc3a)6(8a7abc) 8(xy8z)(xy7z) 9(pqpr)(8pqpr) 5 x 1 x 0.8x0.69.70.6x 9 8 6 2 1 4x3x 6(x4)7(x9)15 7 3 1 3 (8x6)x4 2x2(1x)6 5 5 y3 y2 8 1x5(x3)45 4 5 0.9x0.90.91.7x 2(5x7)1
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