1、(50) (4)212 (1)1043 7 8 (12)(17) 3(11) 8.5(14) 1 1 () 124(181) (0)342 5 5 17(9)(12) 9.1(0.6)(0.5)0.9 2 1 1 2 8 2 ()() 8.1()(2.9) 3 9 8 7 5 5 (3m3) x7(58a) 15a3(7n2t) (3an)3(4m6a) 2 (144x)t 6(5a3xy1) 3 (yz)(st) 3(6ax)3(m6q) 3 9 6n(6n1) 7n(4n5s)(2s7n) 6(2b6)6b 2(5x3)(5x7) 6(ab6a)(4a6b) 14(abc6a)2(4a9a
2、bc) 9(xy4z)(xy5z) 8(pqpr)(9pqpr) 5 x 1 x 0.2x0.356.2x 6 8 6 8 1 7x4x 9(x2)5(x2)15 7 3 1 3 (2x4)x3 3x7(7x)9 6 5 y3 y1 5 1x4.5(x4)25 4 5 0.6x0.66.80.3x 7(3x7)3 2 6 ()()(7) 21(4)3(2) 1 1 6 ( )( ) 14(21)6(11) 7 4 7 (0.1)(80) (2)233 (1)2913 8 ()()0 21(3)3(5 2 3 7 1 3 1 ( )( ) 17(10)3(16) 1 1 ( )(70) (2)4
3、33 (1)1619 3 8 (4)(14) 13(12) 9(8)() 51(14) (4)334 6 5 820(21)(3) 4.8(5.7)(0.7)3.8 2 1 1 4 8 2 ()() 1.6()(4.5) 9 7 7 5 5 5 (6y1) z3(86b) 11x3(6y5t) (9xy)6(2y5b) 1 (28z)t 9(5d7ab3) 5 (yz)(pq) 4(9ax)6(m6q) 7 2 9n(2n1) n(5n5c)(5cn) 4(9n6)9n 6(5a1)(9a1) 5(ab9a)(8a2b) 16(abc2a)6(7a5abc) 5(xy8z)(xy3z) 9(p
4、qpr)(3pqpr) x 0.4x0.62.74.8x 6 6 9 4 1 5x2x 5(x8)5(x3)20 5 2 1 1 (5x8)x9 3x9(7x)8 3 5 y1 y1 3 1.5x2(x5)25 0.3x0.86.32.3x 3(5x8)5 6 2 ()()(4) 11(2)3(3) 3 1 6 ( )( ) 1(30)1(11) 2 4 7 (0.8)(20) (2)352 (1)2649 9 0 3(2)3(3 8 7 9 1 1 6 ( )( ) 28(20)8(14) 2 6 5 1 5 (80) (2)453 (1)1067 4 4 (10) 0(13) 12(20)
5、()() 141(132) (4)242 4 2 2415(14)(9) 9.2(9.7)(5)6.3 2 1 1 3 1 7 ()() 7.8()(7.3) 5 6 2 7 5 5 (8x4) y4(22b) 2a4(5y4t) (5ay)6(7x5b) 8 (22y)t 9(4b4mn8) 9 (ab)(pq) 2(9bx)6(m7q) 2n(4n6) n(8n9p)(3pn) 9(8n5)4n 3(9m10)(7m2) 4(ab3a)(3a7b) 18(abc2a)6(4a4abc) 2(xy9z)(xy9z) 2(pqpr)(9pqpr) x 0.1x0.68.79.2x 6 8 3
6、2x5x 3(x3)6(x7)1 3 2 (5x9)x8 6x5(16x)4 2 5 y3 y1 3 3.5x7.5(x6)45 3 5 0.7x0.72.65.7x 4(5x5)9 4 3 ()()(8) 7(2)3(5) 5 1 1 ( )( ) 8(10)2(12) 4 8 5 (0.5)(60) (4)443 (1)18520 21(2)2(2 7 2 9 1 8 6 ( )( ) 1(24)7(11) 3 7 7 1 4 (50) (3)353 (1)1821 7 5 (5)(11) 1(6) 8.5(4)() 13(171) (3)423135(11)(9) 8.7(5.9)(1.
7、2)2.9 2 1 1 2 4 1 ()() 4.2()(8.1) 7 6 6 5 5 5 (6a8) y3(73a) 14m7(2y7t) (4my)9(5a9a) 6 (164y)t 2(7a8bc9) 7 (yz)(pq) 4(8ax)4(n2p) 4 4 9a(2a2) 2a(5a4p)(6p7a) 3(6t8)5t 4(3a10)(7a5) 9(ab9a)(2a6b) 18(abc9a)8(8a4abc) 9(xy3z)(xy2z) 9(pqpr)(4pqpr) x 0.8x0.92.25.9x 9 2 6 9x4x 4(x2)5(x6)17 7 5 (2x4)x7 6x4(11x)
8、2 y2 y3 8 5x0.5(x7)40 0.8x0.67.49.2x 5(3x4)10 ()()(2) 24(2)2(4) 4 1 8 ( )( ) 1(13)5(14) 5 4 7 (0.9)(10) (1)453 (1)2402 7 0 13(1)3(3 4 7 2 1 1 5 ( )( ) 1(18)3(16) 5 8 4 7 1 (70) (4)253 (1)2293 6 5 (5)(14) 1(20) 5(11)() 41(55) (1)233 6 6 364(15)(18) 5.1(4.5)(4.6)9.2 2 1 1 2 2 6 ()() 7.4()(8.6) 5 6 4 7
9、 5 5 (9m3) x2(64b) 15x2(3b9z) (2xb)6(2m3b) (46x)z 7(7c5mn8) (yz)(mn) 3(7bx)4(n5q) 7 8 2x(9x7) 4x(9x6z)(9zx) 7(9a9)2a 6(2b5)(9b4) 7(ab7a)(2a2b) 14(abc8a)5(2a9abc) 4(xy2z)(xy7z) 6(pqpr)(3pqpr) 7 x 1 x 0.4x0.53.18.2x 9 8 9 2 1 9x3x 7(x3)9(x9)16 9 9 (2x3)x8 3x6(11x)9 9 5 y1 y2 6 5x1.5(x2)45 4 6 0.4x0.71.69.3x 4(2x5)15
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