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(1) 66x+17y=3967
25x+y=1200
çæ¡ï¼x=48 y=47
(2) 18x+23y=2303
74x-y=1998
çæ¡ï¼x=27 y=79
(3) 44x+90y=7796
44x+y=3476
çæ¡ï¼x=79 y=48
(4) 76x-66y=4082
30x-y=2940
çæ¡ï¼x=98 y=51
(5) 67x+54y=8546
71x-y=5680
çæ¡ï¼x=80 y=59
(6) 42x-95y=-1410
21x-y=1575
çæ¡ï¼x=75 y=48
(7) 47x-40y=853
34x-y=2006
çæ¡ï¼x=59 y=48
(8) 19x-32y=-1786
75x+y=4950
çæ¡ï¼x=66 y=95
(9) 97x+24y=7202
58x-y=2900
çæ¡ï¼x=50 y=98
(10) 42x+85y=6362
63x-y=1638
çæ¡ï¼x=26 y=62
(11) 85x-92y=-2518
27x-y=486
çæ¡ï¼x=18 y=44
(12) 79x+40y=2419
56x-y=1176
çæ¡ï¼x=21 y=19
(13) 80x-87y=2156
22x-y=880
çæ¡ï¼x=40 y=12
(14) 32x+62y=5134
57x+y=2850
çæ¡ï¼x=50 y=57
(15) 83x-49y=82
59x+y=2183
çæ¡ï¼x=37 y=61
(16) 91x+70y=5845
95x-y=4275
çæ¡ï¼x=45 y=25
(17) 29x+44y=5281
88x-y=3608
çæ¡ï¼x=41 y=93
(18) 25x-95y=-4355
40x-y=2000
çæ¡ï¼x=50 y=59
(19) 54x+68y=3284
78x+y=1404
çæ¡ï¼x=18 y=34
(20) 70x+13y=3520
52x+y=2132
çæ¡ï¼x=41 y=50
(21) 48x-54y=-3186
24x+y=1080
çæ¡ï¼x=45 y=99
(22) 36x+77y=7619
47x-y=799
çæ¡ï¼x=17 y=91
(23) 13x-42y=-2717
31x-y=1333
çæ¡ï¼x=43 y=78
(24) 28x+28y=3332
52x-y=4628
çæ¡ï¼x=89 y=30
(25) 62x-98y=-2564
46x-y=2024
çæ¡ï¼x=44 y=54
(26) 79x-76y=-4388
26x-y=832
çæ¡ï¼x=32 y=91
(27) 63x-40y=-821
42x-y=546
çæ¡ï¼x=13 y=41
(28) 69x-96y=-1209
42x+y=3822
çæ¡ï¼x=91 y=78
(29) 85x+67y=7338
11x+y=308
çæ¡ï¼x=28 y=74
(30) 78x+74y=12928
14x+y=1218
çæ¡ï¼x=87 y=83
(31) 39x+42y=5331
59x-y=5841
çæ¡ï¼x=99 y=35
(32) 29x+18y=1916
58x+y=2320
çæ¡ï¼x=40 y=42
(33) 40x+31y=6043
45x-y=3555
çæ¡ï¼x=79 y=93
(34) 47x+50y=8598
45x+y=3780
çæ¡ï¼x=84 y=93
(35) 45x-30y=-1455
29x-y=725
çæ¡ï¼x=25 y=86
(36) 11x-43y=-1361
47x+y=799
çæ¡ï¼x=17 y=36
(37) 33x+59y=3254
94x+y=1034
çæ¡ï¼x=11 y=49
(38) 89x-74y=-2735
68x+y=1020
çæ¡ï¼x=15 y=55
(39) 94x+71y=7517
78x+y=3822
çæ¡ï¼x=49 y=41
(40) 28x-62y=-4934
46x+y=552
çæ¡ï¼x=12 y=85
(41) 75x+43y=8472
17x-y=1394
çæ¡ï¼x=82 y=54
(42) 41x-38y=-1180
29x+y=1450
çæ¡ï¼x=50 y=85
(43) 22x-59y=824
63x+y=4725
çæ¡ï¼x=75 y=14
(44) 95x-56y=-401
90x+y=1530
çæ¡ï¼x=17 y=36
(45) 93x-52y=-852
29x+y=464
çæ¡ï¼x=16 y=45
(46) 93x+12y=8823
54x+y=4914
çæ¡ï¼x=91 y=30
(47) 21x-63y=84
20x+y=1880
çæ¡ï¼x=94 y=30
(48) 48x+93y=9756
38x-y=950
çæ¡ï¼x=25 y=92
(49) 99x-67y=4011
75x-y=5475
çæ¡ï¼x=73 y=48
(50) 83x+64y=9291
90x-y=3690
çæ¡ï¼x=41 y=92
(51) 17x+62y=3216
75x-y=7350
çæ¡ï¼x=98 y=25
(52) 77x+67y=2739
14x-y=364
çæ¡ï¼x=26 y=11
(53) 20x-68y=-4596
14x-y=924
çæ¡ï¼x=66 y=87
(54) 23x+87y=4110
83x-y=5727
çæ¡ï¼x=69 y=29
(55) 22x-38y=804
86x+y=6708
çæ¡ï¼x=78 y=24
(56) 20x-45y=-3520
56x+y=728
çæ¡ï¼x=13 y=84
(57) 46x+37y=7085
61x-y=4636
çæ¡ï¼x=76 y=97
(58) 17x+61y=4088
71x+y=5609
çæ¡ï¼x=79 y=45
(59) 51x-61y=-1907
89x-y=2314
çæ¡ï¼x=26 y=53
(60) 69x-98y=-2404
21x+y=1386
çæ¡ï¼x=66 y=71
(61) 15x-41y=754
74x-y=6956
çæ¡ï¼x=94 y=16
(62) 78x-55y=656
89x+y=5518
çæ¡ï¼x=62 y=76
(63) 29x+21y=1633
31x-y=713
çæ¡ï¼x=23 y=46
(64) 58x-28y=2724
35x+y=3080
çæ¡ï¼x=88 y=85
(65) 28x-63y=-2254
88x-y=2024
çæ¡ï¼x=23 y=46
(66) 43x+50y=7064
85x+y=8330
çæ¡ï¼x=98 y=57
(67) 58x-77y=1170
38x-y=2280
çæ¡ï¼x=60 y=30
(68) 92x+83y=11586
43x+y=3010
çæ¡ï¼x=70 y=62
(69) 99x+82y=6055
52x-y=1716
çæ¡ï¼x=33 y=34
(70) 15x+26y=1729
94x+y=8554
çæ¡ï¼x=91 y=14
(71) 64x+32y=3552
56x-y=2296
çæ¡ï¼x=41 y=29
(72) 94x+66y=10524
84x-y=7812
çæ¡ï¼x=93 y=27
(73) 65x-79y=-5815
89x+y=2314
çæ¡ï¼x=26 y=95
(74) 96x+54y=6216
63x-y=1953
çæ¡ï¼x=31 y=60
(75) 60x-44y=-352
33x-y=1452
çæ¡ï¼x=44 y=68
(76) 79x-45y=510
14x-y=840
çæ¡ï¼x=60 y=94
(77) 29x-35y=-218
59x-y=4897
çæ¡ï¼x=83 y=75
(78) 33x-24y=1905
30x+y=2670
çæ¡ï¼x=89 y=43
(79) 61x+94y=11800
93x+y=5952
çæ¡ï¼x=64 y=84
(80) 61x+90y=5001
48x+y=2448
çæ¡ï¼x=51 y=21
(81) 93x-19y=2
86x-y=1548
çæ¡ï¼x=18 y=88
(82) 19x-96y=-5910
30x-y=2340
çæ¡ï¼x=78 y=77
(83) 80x+74y=8088
96x-y=8640
çæ¡ï¼x=90 y=12
(84) 53x-94y=1946
45x+y=2610
çæ¡ï¼x=58 y=12
(85) 93x+12y=9117
28x-y=2492
çæ¡ï¼x=89 y=70
(86) 66x-71y=-1673
99x-y=7821
çæ¡ï¼x=79 y=97
(87) 43x-52y=-1742
76x+y=1976
çæ¡ï¼x=26 y=55
(88) 70x+35y=8295
40x+y=2920
çæ¡ï¼x=73 y=91
(89) 43x+82y=4757
11x+y=231
çæ¡ï¼x=21 y=47
(90) 12x-19y=236
95x-y=7885
çæ¡ï¼x=83 y=40
(91) 51x+99y=8031
71x-y=2911
çæ¡ï¼x=41 y=60
(92) 37x+74y=4403
69x-y=6003
çæ¡ï¼x=87 y=16
(93) 46x+34y=4820
71x-y=5183
çæ¡ï¼x=73 y=43
(94) 47x+98y=5861
55x-y=4565
çæ¡ï¼x=83 y=20
(95) 30x-17y=239
28x+y=1064
çæ¡ï¼x=38 y=53
(96) 55x-12y=4112
79x-y=7268
çæ¡ï¼x=92 y=79
(97) 27x-24y=-450
67x-y=3886
çæ¡ï¼x=58 y=84
(98) 97x+23y=8119
14x+y=966
çæ¡ï¼x=69 y=62
(99) 84x+53y=11275
70x+y=6790
çæ¡ï¼x=97 y=59
(100) 51x-97y=297
19x-y=1520
çæ¡ï¼x=80 y=39
-------------------------------------------------------------------------------------------
å å¼å解3a3b2cï¼6a2b2c2ï¼9ab2c3ï¼3ab^2 c(a^2-2ac+3c^2)
3.å å¼å解xyï¼6ï¼2xï¼3yï¼(x-3)(y-2)
4.å å¼å解x2(xï¼y)ï¼y2(yï¼x)ï¼(x+y)(x-y)^2
5.å å¼å解2x2ï¼(aï¼2b)xï¼abï¼(2x-a)(x+b)
6.å å¼å解a4ï¼9a2b2ï¼a^2(a+3b)(a-3b)
7.è¥å·²ç¥x3ï¼3x2ï¼4å«æxï¼1çå å¼ï¼è¯å解x3ï¼3x2ï¼4ï¼(x-1)(x+2)^2
8.å å¼å解ab(x2ï¼y2)ï¼xy(a2ï¼b2)ï¼(ay+bx)(ax-by)
9.å å¼å解(xï¼y)(aï¼bï¼c)ï¼(xï¼y)(bï¼cï¼a)ï¼2y(a-b-c)
10.å å¼å解a2ï¼aï¼b2ï¼bï¼(a+b)(a-b-1)
11.å å¼å解(3aï¼b)2ï¼4(3aï¼b)(aï¼3b)ï¼4(aï¼3b)2ï¼[3a-b-2(a+3b)]^2=(a-7b)^2
12.å å¼å解(aï¼3)2ï¼6(aï¼3)ï¼(a+3)(a-3)
13.å å¼å解(xï¼1)2(xï¼2)ï¼(xï¼1)(xï¼2)2ï¼-(x+1)(x+2) abcï¼abï¼4aï¼a(bc+b-4)
(2)16x2ï¼81ï¼(4x+9)(4x-9)
(3)9x2ï¼30xï¼25ï¼(3x-5)^2
(4)x2ï¼7xï¼30ï¼(x-10)(x+3)
35.å å¼å解x2ï¼25ï¼(x+5)(x-5)
36.å å¼å解x2ï¼20xï¼100ï¼(x-10)^2
37.å å¼å解x2ï¼4xï¼3ï¼(x+1)(x+3)
38.å å¼å解4x2ï¼12xï¼5ï¼(2x-1)(2x-5)
39.å å¼å解ä¸ååå¼ï¼ (1)3ax2ï¼6axï¼3ax(x-2) (2)x(xï¼2)ï¼xï¼x(x+1) (3)x2ï¼4xï¼axï¼4aï¼(x-4)(x-a) (4)25x2ï¼49ï¼(5x-9)(5x+9) (5)36x2ï¼60xï¼25ï¼(6x-5)^2 (6)4x2ï¼12xï¼9ï¼(2x+3)^2 (7)x2ï¼9xï¼18ï¼(x-3)(x-6) (8)2x2ï¼5xï¼3ï¼(x-3)(2x+1) (9)12x2ï¼50xï¼8ï¼2(6x-1)(x-4)
40.å å¼å解(xï¼2)(xï¼3)ï¼(xï¼2)(xï¼4)ï¼(x+2)(2x-1)
41.å å¼å解2ax2ï¼3xï¼2axï¼3ï¼ (x+1)(2ax-3)
42.å å¼å解9x2ï¼66xï¼121ï¼(3x-11)^2
43.å å¼å解8ï¼2x2ï¼2(2+x)(2-x)
44.å å¼å解x2ï¼xï¼14 ï¼æ´æ°å æ æ³å解
45.å å¼å解9x2ï¼30xï¼25ï¼(3x-5)^2
46.å å¼å解ï¼20x2ï¼9xï¼20ï¼(-4x+5)(5x+4)
47.å å¼å解12x2ï¼29xï¼15ï¼(4x-3)(3x-5)
48.å å¼å解36x2ï¼39xï¼9ï¼3(3x+1)(4x+3)
49.å å¼å解21x2ï¼31xï¼22ï¼(21x+11)(x-2)
50.å å¼å解9x4ï¼35x2ï¼4ï¼(9x^2+1)(x+2)(x-2)
51.å å¼å解(2xï¼1)(xï¼1)ï¼(2xï¼1)(xï¼3)ï¼2(x-1)(2x+1)
52.å å¼å解2ax2ï¼3xï¼2axï¼3ï¼(x+1)(2ax-3)
53.å å¼å解x(yï¼2)ï¼xï¼yï¼1ï¼(x-1)(y+1)
54.å å¼å解(x2ï¼3x)ï¼(xï¼3)2ï¼(x-3)(2x-3)
55.å å¼å解9x2ï¼66xï¼121ï¼(3x-11)^2
56.å å¼å解8ï¼2x2ï¼2(2-x)(2+x)
57.å å¼å解x4ï¼1ï¼(x-1)(x+1)(x^2+1)
58.å å¼å解x2ï¼4xï¼xyï¼2yï¼4ï¼(x+2)(x-y+2)
59.å å¼å解4x2ï¼12xï¼5ï¼(2x-1)(2x-5)
60.å å¼å解21x2ï¼31xï¼22ï¼(21x+11)(x-2)
---------------------
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çæ¡ï¼x=23 y=46
(66) 43x+50y=7064
85x+y=8330
çæ¡ï¼x=98 y=57
(67) 58x-77y=1170
38x-y=2280
çæ¡ï¼x=60 y=30
(68) 92x+83y=11586
43x+y=3010
çæ¡ï¼x=70 y=62
(69) 99x+82y=6055
52x-y=1716
çæ¡ï¼x=33 y=34
(70) 15x+26y=1729
94x+y=8554
çæ¡ï¼x=91 y=14
(71) 64x+32y=3552
56x-y=2296
çæ¡ï¼x=41 y=29
(72) 94x+66y=10524
84x-y=7812
çæ¡ï¼x=93 y=27
(73) 65x-79y=-5815
89x+y=2314
çæ¡ï¼x=26 y=95
(74) 96x+54y=6216
63x-y=1953
çæ¡ï¼x=31 y=60
(75) 60x-44y=-352
33x-y=1452
çæ¡ï¼x=44 y=68
(76) 79x-45y=510
14x-y=840
çæ¡ï¼x=60 y=94
(77) 29x-35y=-218
59x-y=4897
çæ¡ï¼x=83 y=75
(78) 33x-24y=1905
30x+y=2670
çæ¡ï¼x=89 y=43
(79) 61x+94y=11800
93x+y=5952
çæ¡ï¼x=64 y=84
(80) 61x+90y=5001
48x+y=2448
çæ¡ï¼x=51 y=21
(81) 93x-19y=2
86x-y=1548
çæ¡ï¼x=18 y=88
(82) 19x-96y=-5910
30x-y=2340
çæ¡ï¼x=78 y=77
(83) 80x+74y=8088
96x-y=8640
çæ¡ï¼x=90 y=12
(84) 53x-94y=1946
45x+y=2610
çæ¡ï¼x=58 y=12
(85) 93x+12y=9117
28x-y=2492
çæ¡ï¼x=89 y=70
(86) 66x-71y=-1673
99x-y=7821
çæ¡ï¼x=79 y=97
(87) 43x-52y=-1742
76x+y=1976
çæ¡ï¼x=26 y=55
(88) 70x+35y=8295
40x+y=2920
çæ¡ï¼x=73 y=91
(89) 43x+82y=4757
11x+y=231
çæ¡ï¼x=21 y=47
(90) 12x-19y=236
95x-y=7885
çæ¡ï¼x=83 y=40
(91) 51x+99y=8031
71x-y=2911
çæ¡ï¼x=41 y=60
(92) 37x+74y=4403
69x-y=6003
çæ¡ï¼x=87 y=16
(93) 46x+34y=4820
71x-y=5183
çæ¡ï¼x=73 y=43
(94) 47x+98y=5861
55x-y=4565
çæ¡ï¼x=83 y=20
(95) 30x-17y=239
28x+y=1064
çæ¡ï¼x=38 y=53
(96) 55x-12y=4112
79x-y=7268
çæ¡ï¼x=92 y=79
(97) 27x-24y=-450
67x-y=3886
çæ¡ï¼x=58 y=84
(98) 97x+23y=8119
14x+y=966
çæ¡ï¼x=69 y=62
(99) 84x+53y=11275
70x+y=6790
çæ¡ï¼x=97 y=59
(100) 51x-97y=297
19x-y=1520
çæ¡ï¼x=80 y=39
-------------------------------------------------------------------------------------------
å å¼å解3a3b2cï¼6a2b2c2ï¼9ab2c3ï¼3ab^2 c(a^2-2ac+3c^2)
3.å å¼å解xyï¼6ï¼2xï¼3yï¼(x-3)(y-2)
4.å å¼å解x2(xï¼y)ï¼y2(yï¼x)ï¼(x+y)(x-y)^2
5.å å¼å解2x2ï¼(aï¼2b)xï¼abï¼(2x-a)(x+b)
6.å å¼å解a4ï¼9a2b2ï¼a^2(a+3b)(a-3b)
7.è¥å·²ç¥x3ï¼3x2ï¼4å«æxï¼1çå å¼ï¼è¯å解x3ï¼3x2ï¼4ï¼(x-1)(x+2)^2
8.å å¼å解ab(x2ï¼y2)ï¼xy(a2ï¼b2)ï¼(ay+bx)(ax-by)
9.å å¼å解(xï¼y)(aï¼bï¼c)ï¼(xï¼y)(bï¼cï¼a)ï¼2y(a-b-c)
10.å å¼å解a2ï¼aï¼b2ï¼bï¼(a+b)(a-b-1)
11.å å¼å解(3aï¼b)2ï¼4(3aï¼b)(aï¼3b)ï¼4(aï¼3b)2ï¼[3a-b-2(a+3b)]^2=(a-7b)^2
12.å å¼å解(aï¼3)2ï¼6(aï¼3)ï¼(a+3)(a-3)
13.å å¼å解(xï¼1)2(xï¼2)ï¼(xï¼1)(xï¼2)2ï¼-(x+1)(x+2) abcï¼abï¼4aï¼a(bc+b-4)
(2)16x2ï¼81ï¼(4x+9)(4x-9)
(3)9x2ï¼30xï¼25ï¼(3x-5)^2
(4)x2ï¼7xï¼30ï¼(x-10)(x+3)
35.å å¼å解x2ï¼25ï¼(x+5)(x-5)
36.å å¼å解x2ï¼20xï¼100ï¼(x-10)^2
37.å å¼å解x2ï¼4xï¼3ï¼(x+1)(x+3)
38.å å¼å解4x2ï¼12xï¼5ï¼(2x-1)(2x-5)
39.å å¼å解ä¸ååå¼ï¼ (1)3ax2ï¼6axï¼3ax(x-2) (2)x(xï¼2)ï¼xï¼x(x+1) (3)x2ï¼4xï¼axï¼4aï¼(x-4)(x-a) (4)25x2ï¼49ï¼(5x-9)(5x+9) (5)36x2ï¼60xï¼25ï¼(6x-5)^2 (6)4x2ï¼12xï¼9ï¼(2x+3)^2 (7)x2ï¼9xï¼18ï¼(x-3)(x-6) (8)2x2ï¼5xï¼3ï¼(x-3)(2x+1) (9)12x2ï¼50xï¼8ï¼2(6x-1)(x-4)
40.å å¼å解(xï¼2)(xï¼3)ï¼(xï¼2)(xï¼4)ï¼(x+2)(2x-1)
41.å å¼å解2ax2ï¼3xï¼2axï¼3ï¼ (x+1)(2ax-3)
42.å å¼å解9x2ï¼66xï¼121ï¼(3x-11)^2
43.å å¼å解8ï¼2x2ï¼2(2+x)(2-x)
44.å å¼å解x2ï¼xï¼14 ï¼æ´æ°å æ æ³å解
45.å å¼å解9x2ï¼30xï¼25ï¼(3x-5)^2
46.å å¼å解ï¼20x2ï¼9xï¼20ï¼(-4x+5)(5x+4)
47.å å¼å解12x2ï¼29xï¼15ï¼(4x-3)(3x-5)
48.å å¼å解36x2ï¼39xï¼9ï¼3(3x+1)(4x+3)
49.å å¼å解21x2ï¼31xï¼22ï¼(21x+11)(x-2)
50.å å¼å解9x4ï¼35x2ï¼4ï¼(9x^2+1)(x+2)(x-2)
51.å å¼å解(2xï¼1)(xï¼1)ï¼(2xï¼1)(xï¼3)ï¼2(x-1)(2x+1)
52.å å¼å解2ax2ï¼3xï¼2axï¼3ï¼(x+1)(2ax-3)
53.å å¼å解x(yï¼2)ï¼xï¼yï¼1ï¼(x-1)(y+1)
54.å å¼å解(x2ï¼3x)ï¼(xï¼3)2ï¼(x-3)(2x-3)
55.å å¼å解9x2ï¼66xï¼121ï¼(3x-11)^2
56.å å¼å解8ï¼2x2ï¼2(2-x)(2+x)
57.å å¼å解x4ï¼1ï¼(x-1)(x+1)(x^2+1)
58.å å¼å解x2ï¼4xï¼xyï¼2yï¼4ï¼(x+2)(x-y+2)
59.å å¼å解4x2ï¼12xï¼5ï¼(2x-1)(2x-5)
60.å å¼å解21x2ï¼31xï¼22ï¼(21x+11)(x-2)
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第1个回答 2012-08-17
悬赏太低了,⊙﹏⊙b汗