1、 1 1 ( )(10) (5)333 (1)2100 4 3 (4)(11) 14(4) 14.5(6) 1 1 ()() 14(121) (0)434 4 5 262(1)(25) 9.6(6.2)(3.7)7.3 2 1 1 3 8 3 ()() 9.6()(1.6) 3 4 9 5 5 5 (6a9) z8(15c) 7a5(3b5c) (8ab)8(6a2c) 3 (46z)c 3(9a3bc3) 4 (yz)(mn) 3(6by)7(n8p) 6 2 3y(2y5) y(9y9q)(5qy) 2(7a10)7a 4(8y4)(2y3) 6(ab9a)(9a6b) 15(abc5a)
2、2(8a4abc) 7(xy6z)(xy5z) 7(pqpr)(9pqpr) 5 x 1 x 0.3x0.40.49.5x 3 4 3 4 1 2x8x 4(x8)7(x4)18 3 7 1 4 (5x9)x7 2x5(12x)2 4 5 y2 y2 2 2x1.5(x1)30 4 6 0.7x0.35.84.1x 5(5x9)17 ()()(8) 16(4)3(1) 2 1 8 ( )( ) 8(19)2(19) 3 4 7 (0.1)(6) (5)452 (1)2379 4 ()0 30(2)3(1 2 4 4 1 9 1 ( )( ) 27(26)10(12) 3 8 2 5 2 (40
3、) (2)323 (1)2383 6 3 (18)(16) 11(8) 0.5(4.5)()() 73(99) (2)432 5 3 399(28)(19) 9.7(4)(4)6.1 2 1 1 4 4 1 ()() 9.3()(6.2) 3 3 5 5 5 5 (7b9) x3(94b) 15m3(9b2c) (5mb)7(6b3b) 1 (148x)c 7(6b6ab5) 2 (xy)(st) 3(7by)2(n5q) 5 5 6b(8b9) b(4b7q)(5qb) 2(6a2)5a 8(3n3)(7n8) 6(ab4a)(3a6b) 19(abc5a)2(7a4abc) 8(xy3z)
4、(xy5z) 8(pqpr)(2pqpr) x 0.6x0.62.56.5x 9 8 3 2 1 2x6x 7(x3)9(x9)17 9 4 (8x1)x7 4x8(7x)6 6 5 y2 y1 4 3x0.5(x7)10 3 5 0.8x0.66.77.1x 3(3x7)2 3 3 ()()(7) 3(1)2(1) 5 1 1 ( )( ) 29(25)9(13) 6 4 3 (60) (2)213 (1)1856 6 0 27(2)2(4 9 2 5 1 4 1 ( )( ) 4(12)6(11) 5 3 7 2 1 (30) (4)442 (1)1247 3 2 (12)(8) 16(2
5、0) 10(6)()() 84(32) (1)454 9 8 2413(9)(16) 8.6(1)(4.4)2.3 2 1 1 3 4 4 ()() 2.4()(3.4) 9 4 5 5 5 5 (8m3) x8(53b) 17a7(7y3t) (8ay)6(2m9b) (1410x)t 2(9d2xy5) (xy)(ef) 5(9ay)4(n4p) 4 3 5y(3y9) 4y(5y4q)(8qy) 9(6t8)5t 8(7a7)(9a8) 6(ab2a)(3a5b) 19(abc2a)8(4a4abc) 3(xy5z)(xy6z) 4(pqpr)(3pqpr) x 0.5x0.84.92x
6、 9 2 9 3x2x 6(x2)9(x3)17 9 6 1 2 (9x2)x2 4x4(13x)2 9 5 y1 y3 1 2x1(x6)40 0.5x0.58.94.8x 6(3x1)6 ()()(7) 8(4)2(4) 10 1 8 ( )( ) 4(11)4(10) 9 4 7 (0.8)(20) (3)222 (1)1613 5 0 24(4)3(2 8 5 6 1 6 1 ( )( ) 6(14)4(20) 8 7 3 (60) (5)222 (1)2075 3 6 (19)(1) 18(2) 9.5(0.5)()() 33(188) (5)333 2 4 1816(15)(1)
7、6.5(9.4)(1.3)4.6 2 1 1 3 1 2 ()() 5.9()(9.5) 9 5 2 7 5 5 (8x4) x2(64b) 9m5(6y3c) (7my)5(2x4b) (104x)c 8(5c9bc9) (bc)(mn) 4(7bx)5(n7p) 7 5 9x(6x2) 6x(9x4z)(2zx) 8(3t7)2t 4(6x5)(8x6) 9(ab3a)(8a8b) 4(abc9a)5(3a8abc) 7(xy4z)(xy5z) 7(pqpr)(3pqpr) x 0.9x0.18.77.3x 6 2 3 8x3x 2(x8)3(x4)2 7 9 1 3 (3x4)x5 3x
8、4(19x)1 y2 y1 2 1x2(x9)30 0.3x0.45.45x 8(2x3)1 1 2 ()()(2) 24(4)2(4) 9 1 1 ( )( ) 2(23)5(18) 8 6 7 (2) (1)232 (1)1885 2 0 4(1)3(3 3 6 7 1 4 3 ( )( ) 27(12)3 2 5 4 8 7 (80) (4)233 (1)2677 7 8 (19)(1) 3(16) 11(9.5)() 43(168) (5)233 6 3 517(7)(27) 1.4(1.7)(1.9)7 2 1 1 3 4 3 ()() 8.3()(1.7) 7 2 8 5 5 5
9、(2a6) x5(53c) 2x8(6y3t) (3xy)6(2a2c) (62x)t 4(9a5xy3) 7 (ab)(st) 3(8by)3(m7q) 2 9 5m(2m7) m(4m2q)(8q8m) 2(7b7)7b 10(4y6)(3y6) 8(ab9a)(4a3b) 2(abc5a)3(4a5abc) 4(xy8z)(xy5z) 6(pqpr)(2pqpr) 7 x 1 x 0.6x0.955.8x 3 8 3 8 1 6x3x 4(x1)2(x5)9 5 8 (4x7)x7 5x3(18x)6 8 5 y3 y3 7 1.5x5.5(x4)20 0.7x0.52.93.7x 8(2x9)18
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