1、 1 1 ()() 142(97) (0)343 6 2 398(2)(25) 1.5(6.3)(2.4)1.8 2 1 1 4 8 9 ()() 6.5()(4.9) 9 9 2 5 5 5 (2b4) y9(14a) 12x6(5b9t) (3xb)4(2b5a) 3 (108y)t 7(2a6mn6) 2 (bc)(st) 3(6ax)6(m9p) 4 3 4x(9x7) 2x(8x2p)(5px) 4(9b4)3b 4(2b5)(2b4) 4(ab4a)(8a8b) 6(abc8a)4(8a4abc) 7(xy8z)(xy6z) 2(pqpr)(8pqpr) 7 x 1 x 0.1x0
2、.99.16.5x 6 4 9 2 1 7x5x 7(x8)9(x8)16 3 9 1 2 (5x4)x8 2x8(6x)2 5 5 y1 y3 9 5x5(x4)50 3 6 (53x)(3x2) 6(6x2)14 8 7 6 5 ()()(7) 5(3)3(5) 1 1 10 ( )( ) 27(23)8(19) 8 8 9 (0.4)(30) (4)342 (1)1500 7 ()()0 21(3)2(4) 5 4 2 1 1 1 ( ) 28(23)6(11) 5 4 7 4 1 ( )(30) (5)433 (1)1479 3 5 (4)(6) 9(18) 6(24.5)() 11(
3、197) (3)243 5 2 1612(24)(12) 5.6(5.9)(3.4)5.5 2 1 1 1 8 9 ()() 1.8()(5.6) 9 2 3 5 5 5 (2y7) y5(73a) 16a9(7n6c) (8an)2(7y4a) 6 (124y)c 7(8b3bc8) 5 (ab)(pq) 4(8bx)4(m4p) 5 3 4y(9y3) y(2y4p)(2p3y) 9(8a7)2a 3(8a4)(5a3) 5(ab9a)(2a6b) 6(abc9a)5(8a8abc) 6(xy2z)(xy5z) 8(pqpr)(4pqpr) 5 x 1 x 0.5x0.57.36.2x 3
4、 8 9 7x5x 7(x6)7(x6)19 5 9 1 4 (6x7)x2 7x3(14x)1 7 5 y3 y3 7 0.5x2.5(x4)20 4 5 (12x)(3x1) 9(7x6)3 7 3 ()()(9) 12(3)2(5) 1 1 6 ( )( ) 3(28)8(13) 7 8 7 (0.7)(100) (1)452 (1)2136 9 0 28(3)3 7 5 6 1 1 5 ( )( ) 29(13)9(16) 4 8 4 2 2 (70) (4)452 (1)1191 3 3 (6)(18) 14(11) 13.5(20.5)() 32(106) (3)322 3 3 2
5、13(28)(1) 8.8(6.2)(0.5)4.3 2 1 1 1 3 6 ()() 2.4()(2.8) 3 5 8 5 5 5 (7x4) x4(62a) 13x8(7n9z) (8xn)3(8x9a) 1 (146x)z 9(4d7ab5) 9 (xy)(st) 3(9ay)9(n3p) 4 6 6x(6x8) x(3x7p)(4px) 5(8m4)6m 5(9n8)(8n6) 9(ab4a)(8a8b) 20(abc7a)7(4a8abc) 7(xy6z)(xy5z) 9(pqpr)(8pqpr) x 0.5x0.92.30.7x 6 4 3 8 1 9x2x 5(x8)3(x5)1
6、5 1 1 (5x5)x6 7x5(20x)1 y2 y2 5 1.5x2(x4)10 2 5 (52x)(4x2) 8(9x5)19 5 6 ()()(5) 8(1)2(1) ( )( ) 10(28)4(14) 6 2 5 (0.5)(10) (4)243 (1)17920 28(1)2 5 4 3 1 9 3 ( ) 8(10)2(11) 6 8 4 1 1 (30) (3)442 (1)1659 5 7 (3)(12) 6(17) 2.5(19.5)()() 22(74) (2)322 7 3 1117(12)(19) 7.7(7.6)(1.1)8.5 2 1 1 4 2 8 ()()
7、 3.5()(4.7) 9 2 8 5 5 5 (8b1) y6(42b) 17a7(3b9c) (2ab)5(9b7b) 10 (46y)c 8(9a8xy2) (bc)(mn) 3(9by)2(m7p) 3 7 4a(4a3) 6a(9a9z)(5z2a) 4(3n3)3n 1(8m6)(6m7) 8(ab2a)(6a3b) 15(abc9a)2(7a9abc) 4(xy5z)(xy9z) 2(pqpr)(3pqpr) x 0.2x0.15.92x 9 6 6 3x6x 3(x9)5(x4)13 3 7 (3x5)x7 4x3(6x)7 2 5 y2 y3 6 4x5(x3)50 3 5
8、(22x)(4x1) 5(6x8)16 ()()(8) 24(2)3(4) 4 1 6 ( )( ) 3(29)1(11) 5 2 7 (50) (5)322 (1)15190 11(4)3 7 3 6 1 6 2 ( ) 2(24)2 6 5 3 7 1 (50) (3)453 (1)2101 6 8 (15)(6) 13(7) 10.5(9)()() 185(187) (1)422 6 3 4017(14)(4) 7.2(2.9)(0.4)5.4 2 1 1 3 9 6 ()() 2.6()(7.7) 5 6 5 7 5 5 (4m5) x5(33b) 3m5(3n5c) (6mn)3(8
9、m5b) (84x)c 3(5b4mn4) (xy)(st) 5(8by)6(m6q) 2y(8y9) 3y(9y2q)(4qy) 3(7n10)2n 2(3y2)(9y10) 2(ab3a)(5a3b) 2(abc6a)9(5a7abc) 6(xy6z)(xy7z) 9(pqpr)(6pqpr) x 0.5x0.75.77x 9 6 3 6x7x 5(x9)6(x8)5 3 5 1 3 (4x6)x8 9x2(14x)1 9 5 y1 y2 9 3x1(x8)10 2 6 (52x)(5x1) 9(3x7)12 7 7 ()()(5) 6(4)2(2) 1 1 1 ( )( ) 18(25)
10、36 8 3 (60) (3)222 (1)21430 25(1)2 2 8 6 1 6 5 ( )( ) 11(24)9 7 7 6 1 7 (50) (2)413 (1)2923 2 6 (4)(2) 20(6) 13.5(6)() 54(19) (0)323 7 9 372(23)(4) 7.6(8.5)(4.1)6.5 2 1 1 2 1 9 ()() 8.2()(4.6) 7 4 9 7 5 5 (7a4) x4(56a) 5x7(5n2c) (9xn)7(9a5a) 7 (66x)c 9(7c8xy3) 8 (xy)(mn) 3(8ay)3(n6p) 6 7 5b(6b4) 2b(
11、8b9s)(6sb) 7(3a7)5a 10(2x3)(7x7) 5(ab4a)(8a3b) 16(abc5a)2(7a4abc) 2(xy4z)(xy9z) 2(pqpr)(5pqpr) x 0.6x0.53.29.1x 3 6 9 4 1 4x9x 4(x3)3(x6)2 (4x8)x5 4x6(9x)5 8 5 y2 y1 9 1x5(x8)10 (53x)(2x1) 2(5x5)7 ()()(7) 21(3)3(5) 1 1 8 ( )( ) 23(16)10(12) 2 2 7 (0.6)(70) (5)323 (1)2424 4 0 16(1)2(4) 7 8 6 1 5 1 ( )( ) 24(15)9 2 6 2 2 1 (90) (3)233 (1)2037(13)(5) 12(2) 13.5(10.5)() 154(109) (3)243 8 6 1715(16)(28) 9.2(3.7)(1.7)2.1 2 1 1 4 8 1 ()() 2.9()(9.5) 9 8 3 7 5 5 (7m9) y3(76c) 15x4(5n4t) (2xn)6(8m9c) (84y)t 8(8c5ab9) (ab)(mn) 2(7ax)3(n6p) 9 7 7a(9a5) 9a(6a4q)(2qa)
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