1、2 4.5x2.5(x6)40 3 5 1 2 (32x)(5x1) 7(7x6)2 4 3 3 2 ()()(2) 18(4)2(5) 1 1 6 ( )( ) 18(26)3(18) 9 8 5 1 (0.2)(10) (1)242 (1)2535 4 1 1 1 ()()0 11(3)3(5) 4 2 2 1 8 1 ( )( ) 8(21)8(16) 8 7 8 9 1 ( )(50) (3)423 (1)2696 8 3 (1)(20) 10(18) 8(6)()() 150(172) (2)224 2 4 2214(12)(13) 7.4(0.8)(5)2.9 2 1 1 2 9
2、1 ()() 2.7()(3.6) 3 9 2 7 5 5 (3n4) y2(12b) 19m8(3n7t) (8mn)2(7n5b) 1 (88y)t 6(3d3xy2) 4 (bc)(ef) 2(9ax)2(m7q) 9 2 8b(3b4) 9b(4b8p)(7p6b) 5(5t7)3t 10(3b7)(9b10) 7(ab3a)(7a5b) 18(abc7a)4(6a7abc) 4(xy8z)(xy3z) 3(pqpr)(8pqpr) x 0.1x0.88.84.9x 3 6 6 4 1 3x4x 5(x4)2(x2)15 3 2 1 1 (9x1)x6 5x6(19x)4 9 5 y2
3、 y3 3 1x4(x5)10 (42x)(4x5) 5(7x7)8 1 2 ()()(7) 16(3)3(3) 10 1 1 ( )( ) 18(28)10(10) 9 2 5 (0.7)(900) (4)253 (1)1693 2 0 13(1)3 8 6 4 1 1 1 ( ) 18(26)5(18) 5 6 8 7 4 ( )(10) (5)332 (1)2484 6 5 (9)(13) 0(18) 6(5.5)()() 142(23) (4)223 5 5 2710(20)(23) 2.9(6.9)(3.8)0.6 2 1 1 2 9 4 ()() 1.7()(8.9) 3 6 6
4、7 5 5 (4m3) z8(18b) 13m7(7b5c) (9mb)9(4m3b) 10 (68z)c 2(7b2bc1) 9 (ab)(mn) 5(7ay)2(n3p) 5n(2n1) 2n(4n7q)(2q6n) 8(3n5)2n 4(7x3)(8x4) 7(ab4a)(4a3b) 14(abc8a)6(9a7abc) 9(xy5z)(xy4z) 9(pqpr)(6pqpr) x 0.1x0.79.85.5x 6 4 3 8 1 3x8x 6(x4)2(x6)8 3 5 (2x2)x9 5x7(1x)3 1 0.5x9(x4)30 (24x)(3x5) 7(9x2)4 ()()(8)
5、15(3)2(3) 6 1 6 ( )( ) 14(19)6(18) 5 8 5 (0.1)(10) (2)323 (1)10890 8(2)2(4) 2 5 3 1 1 8 ( ) 25(11)2(13) 5 6 7 8 6 (70) (4)453 (1)1401 7 7 (8)(8) 19(13) 12(11.5)()() 63(43) (1)234 4 2 3011(7)(9) 2.1(4.4)(0.1)3.9 2 1 1 2 2 3 ()() 1.1()(9.3) 3 3 3 5 5 5 (3a4) z2(96a) 2x5(8y2z) (6xy)3(7a7a) (162z)z 9(3b
6、8mn3) (yz)(st) 5(8ay)9(n9p) 3 8 4b(7b5) b(8b8s)(5sb) 7(8n8)4n 2(7m1)(7m7) 8(ab4a)(4a9b) 10(abc2a)9(3a5abc) 5(xy6z)(xy2z) 2(pqpr)(5pqpr) 5 x 1 x 0.9x0.89.25.3x 6 8 6 2x3x 6(x7)5(x9)9 3 6 (8x4)x8 7x4(14x)4 6 5 y1 y3 4 1.5x5.5(x5)35 (43x)(2x4) 3(6x2)3 8 7 6 4 ()()(7) 15(2)3(1) 9 1 4 ( )( ) 13(11)4(13)
7、8 4 3 (0.3)(500) (5)412 (1)2015 9 ()0 22(4)2(1) 3 4 2 1 1 7 ( )( ) 1(27)5(10) 8 2 8 4 1 (50) (4)452 (1)1571 5 5 (18)(10) 4(4) 6(12.5)() 201(158) (1)232 3 9 157(4)(27) 7.3(4.8)(3.1)3.2 2 1 1 2 8 6 ()() 2.8()(2.2) 9 5 3 5 5 5 (3b6) x4(68a) 11x7(9b2z) (3xb)7(4b4a) 2 (46x)z 8(3a4ab4) 3 (xy)(ef) 4(6ax)8(
8、n8p) 8 3 3b(4b9) 7b(5b2s)(7s5b) 8(3n3)6n 4(8x2)(7x3) 5(ab5a)(5a2b) 12(abc5a)2(6a9abc) 8(xy2z)(xy8z) 9(pqpr)(6pqpr) x 0.3x0.75.59.1x 9 4 6 7x2x 8(x7)5(x5)17 (5x7)x9 7x2(5x)8 7 5 y1 y2 5 1.5x2.5(x8)50 4 6 (52x)(3x1) 5(5x2)5 9 3 6 6 ()()(3) 12(1)3(2) 6 1 1 ( )( ) 12(14)3(19) 7 8 5 (0.9)(30) (1)312 (1)1
9、9200 5(2)2(3) 5 4 9 1 4 3 ( ) 6(15)1(20) 6 3 4 1 6 (40) (4)313 (1)1230 2 7 (1)(18) 15(19) 3(3)()() 134(112) (5)412511(15)(15) 5.3(9.6)(4.6)3.2 2 1 1 2 1 7 ()() 7.1()(7.4) 9 4 2 5 5 5 (2n4) x4(83b) 11x9(3b5c) (8xb)6(6n8b) (208x)c 6(6a7mn6) (bc)(mn) 2(8ay)3(m4q) 9y(5y5) 3y(2y2s)(7sy) 8(9s10)8s 9(4b1)(
10、2b10) 2(ab8a)(8a9b) 7(abc3a)9(6a6abc) 6(xy9z)(xy6z) 4(pqpr)(9pqpr) x 0.5x0.57.35.9x 6 2 9 7x3x 6(x3)6(x9)8 1 4 (5x8)x8 2x8(1x)9 8 5 y3 y1 2 4.5x7.5(x9)5 2 6 (24x)(4x4) 5(4x2)15 2 3 1 4 ()()(5) 15(1)2(1) 8 1 1 ( )( ) 6(15)10(12) 9 4 5 (0.6)(500) (5)322 (1)17680 5(3)2(4) 3 4 4 ( ) 22(15)4(12) 7 2 4 3
11、3 (90) (1)333 (1)1390 4 4 (16)(7) 18(17) 13.5(6)() 105(122) (2)413 8 4 25(5)(22) 4.7(3.3)(0.8)3.1 2 1 1 4 4 9 ()() 7.9()(2.6) 5 7 8 5 5 5 (6b5) y7(57a) 6a6(4b8z) (8ab)6(7b9a) (44y)z 2(9b3bc2) (xy)(mn) 4(9ax)3(n4p) 3 7 4y(6y9) y(4y3q)(4qy) 7(7m9)8m 1(8x7)(7x2) 8(ab6a)(5a2b) 5(abc8a)5(4a6abc) 9(xy5z)(xy9z) 5(pqpr)(6pqpr) x 0.5x0.78.19.5x 3 8 6 8x5x 5(x9)6(x2)10 9 2 (9x2)x8 8x5(11x)3 y3 y1 1 4x8(x9)50 (23x)(2x4) 6(4x6)11 2 9
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