1、 6 4 ()()(2) 8(1)2(4) 7 7 3 1 1 ( )( ) 13(19)7(20) 2 2 3 1 (0.1)(800) (4)312 (1)2672 2 1 1 1 ()()0 23(2)2(2 4 3 7 1 8 1 ( )( ) 2(28)2(19) 8 7 7 1 1 ( )(30) (4)243 (1)2738 2 4 (-19)(-13) 12(-10) 0(-9.5)()() -3-1(-55) (-2)324 8 3 1415(-7)(-20) -3.6(-0.4)(-4.1)9.9 2 1 1 1 8 2 ()() 8.4()(1.8) 7 8 5 7 5
2、5 (2n4) x3(25c) 20a9(6b9c) (4ab)3(7n6c) (2010x)c 2(5a7mn2) 5 (xy)(st) 2(8by)3(m8p) 9 6 3 4 ()()(2) 18(2)3(4) 7 1 1 ( )( ) 7(23)4(17) 6 4 5 (0.8)(600) (2)422 (1)1372 9 0 19(3)3(4 4 7 8 1 5 6 ( )( ) 14(28)8(12) 4 6 7 9 1 (40) (3)253 (1)2920 8 2 (-11)(-13) 18(-9) -13.5(-9.5)()() 105(-1710) (-2)244 5 9
3、-114(-10)(-10) 1.2(-2)(-3.7)0.2 2 1 1 2 8 8 ()() 4.6()(3.3) 3 8 6 5 5 5 (2y4) y5(53c) 6m6(7n3c) (2mn)9(9y8c) (102y)c 4(7c5ab7) (ab)(st) 2(9ax)8(m8q) 7 3 4 4 ()()(4) 5(2)2(3) 7 1 4 ( )( ) 24(17)8(18) 8 8 3 (0.8)(900) (2)322 (1)2611()0 15(3)2(1 9 6 7 1 1 7 ( )( ) 28(16)1(18) 4 3 6 1 5 (90) (1)252 (1)2
4、154 4 6 (-19)(-11) 20(-12) 1(-9.5)() -184(-24) (-3)354 4 3 -188(-7)(-22) -1.9(-2.9)(-2.8)9 2 1 1 2 6 4 ()() 1.9()(1.4) 5 8 2 5 5 5 (3x3) z3(28a) 14m4(5n8c) (4mn)8(7x3a) (2010z)c 9(4c6mn5) 2 (yz)(mn) 2(7by)6(m3p) 6 7 2 2 ()()(3) 22(3)3(1) 1 1 4 ( )( ) 25(13)2(14) 2 4 5 (0.6)(20) (3)222 (1)2992 8 ()0
5、16(2)3(5 7 6 5 1 1 1 ( )( ) 4(27)8(15) 2 8 5 2 5 (100) (4)442 (1)1145 3 6 (-13)(-7) 17(-7) 5.5(-3.5)()() 19-3(-148) (-3)422 3 7 279(-25)(-15) -8.8(-5.4)(-0.8)9.5 2 1 1 3 6 3 ()() 9.2()(6.3) 5 4 5 7 5 5 (7b7) x5(12c) 18x6(6n8z) (9xn)5(8b2c) 8 (62x)z 6(8d5xy9) 7 (yz)(ef) 4(6ax)3(m2q) 9 4 3 5 ()()(6) 1
6、7(4)34 1 1 ( )( ) 15(11)10(19) 5 8 3 (10) (4)443 (1)2553 3 0 3(2)2(5 9 6 4 1 1 6 ( )( ) 3(21)6(20) 4 4 7 7 3 (40) (3)323 (1)2365(-12)(-11) 13(-3) 2(-6)()() -113(-56) (-3)222 7 6 4020(-12)(-17) -8.4(-5.5)(-5)1.1 2 1 1 3 1 8 ()() 9.8()(8.7) 3 5 3 7 5 5 (3m6) x5(64b) 4a6(3b7t) (6ab)3(9m3b) 3 (86x)t 3(3c3mn6) (ab)(ef) 4(9ay)7(n4p) 6 6 2 4 ()()(8) 15(2)2(1) 10 1 6 ( )( ) 26(10)2(11) 9 6 5 (0.5)(400) (1)323 (1)2280 5 0
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