1、 1 1 6 ( )( ) 26(18)7(15) 3 7 5 4 1 ( )(70) (2)243 (1)2577 5 2 (5)(20) 6(7) 9.5(16) 1 1 () 102(129) (0)444 2 4 246(2)(5) 1.4(4)(1.3)1.9 2 1 1 3 7 9 ()() 8.2()(2.8) 3 2 7 5 5 5 (2y6) z6(83a) 17m3(8b8z) (7mb)2(9y2a) 1 (206z)z 3(6b6bc3) 2 (bc)(pq) 3(7ax)2(m6p) 3x(5x8) x(3x6s)(3sx) 8(4n9)4n 6(2x4)(9x3)
2、3(ab2a)(7a3b) 9(abc2a)7(8a8abc) 8(xy7z)(xy8z) 4(pqpr)(7pqpr) 5 x 1 x 0.3x0.51.39.5x 3 4 9 4 1 9x2x 5(x3)8(x9)17 7 4 1 3 (8x1)x4 6x8(2x)1 5 5 y2 y1 8 4x9(x3)15 3 5 1 2 (32x)(5x1) 6(4x7)3 7 5 5 2 ()()(3) 29(2)2(5) 6 1 1 ( )( ) 1(12)10(18) 7 8 3 (0.2)(9) (1)223 (1)1228 6 0 21(1)3(3) 9 5 9 1 7 5 ( )( )
3、26(22)9(12) 7 6 4 1 3 (80) (3)452 (1)1940 8 4 (5)(11) 3(8) 6.5(2)() 31(202) (1)413 7 4 2316(8)(1) 9.7(2.1)(1.5)3.1 2 1 1 3 2 4 ()() 8.7()(3.3) 7 3 8 5 5 5 (3m7) x3(36c) 19m6(4y6z) (5my)3(4m6c) 5 (86x)z 6(8b3bc1) 4 (bc)(st) 5(9ay)8(n2p) 4 3 5n(8n5) n(9n7d)(7d4n) 7(4b2)6b 5(7n5)(7n10) 6(ab7a)(9a5b) 12
4、(abc6a)7(8a3abc) 4(xy6z)(xy4z) 3(pqpr)(7pqpr) 7 x 1 x 0.1x0.775.8x 9 2 9 8 1 9x5x 2(x7)2(x8)18 9 5 1 1 (3x3)x1 5x7(13x)8 6 5 y3 y3 3 3x0.5(x9)40 4 6 (13x)(2x3) 8(7x7)19 3 7 1 2 ()()(4) 3(1)2(4) 1 1 8 ( )( ) 23(21)2(17) 3 2 7 (0.2)(7) (2)342 (1)2799 7 ()0 14(3)3(5) 5 5 4 1 6 1 ( )( ) 22(30)2(14) 4 7
5、3 3 1 ( )(10) (5)332 (1)1380 2 7 (11)(11) 0(12) 6.5(7)()() 104(1910) (4)242 3 8 1118(7)(18) 0.2(4.3)(2.5)8.2 2 1 1 1 3 3 ()() 6.9()(7.2) 3 7 6 5 5 5 (8a7) z4(22a) 3m6(7b9t) (4mb)5(3a7a) 8 (144z)t 8(7c4ab5) 7 (xy)(mn) 2(9ax)6(m5p) 9 4 5a(3a4) a(5a7d)(2d5a) 3(4a2)9a 5(6m10)(5m4) 2(ab4a)(7a8b) 15(abc3a
6、)4(4a4abc) 5(xy6z)(xy2z) 7(pqpr)(8pqpr) x 0.5x0.70.73x 9 2 3 7x8x 7(x2)2(x9)12 5 8 1 4 (9x6)x7 2x6(20x)7 y1 y2 7 2.5x5(x5)25 2 5 (54x)(5x5) 8(7x5)12 4 7 6 5 ()()(5) 2(4)3(1) 7 1 1 ( )( ) 23(15)7(15) 8 8 7 (0.8)(8) (3)342 (1)2602 9 0 17(3)2(4) 4 3 5 1 5 3 ( ) 4(28)8(16) 5 4 4 6 1 (20) (1)432 (1)2521 7 2 (2)(10) 14(15) 4.5(22)()() 135(135) (1)243 2 6 101(19)(30) 1.1(5.1)(0.6)6.7 2 1 1 4 6 8 ()() 9.6()(5.1) 3 9 5 7 5 5 (5n4) z9(85a) 13m6(6n5c) (8mn)3(2n5a) 10 (144z)c 9(4a9mn6) 9 (ab)(ef) 5(6bx)8(n9q) 7m(7m6) 8m(5m8d)(6d4m)
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