求50道二元一次方程题以及答案 初一二元一次方程组简单练习题50道带答案摆脱，急
7x^2+8x+7=0(9^2-488>=0) x1=-10+(11^2-4*9*9)/2*10 x2=-12+(13^2+4*11*10)/2*12
13x^2+14x+11=0(15^2-41412>=0) x1=-16+(17^2-4*15*13)/2*16 x2=-18+(19^2+4*17*14)/2*18
19x^2+20x+15=0(21^2-42016>=0) x1=-22+(23^2-4*21*17)/2*22 x2=-24+(25^2+4*23*18)/2*24
25x^2+26x+19=0(27^2-42620>=0) x1=-28+(29^2-4*27*21)/2*28 x2=-30+(31^2+4*29*22)/2*30
31x^2+32x+23=0(33^2-43224>=0) x1=-34+(35^2-4*33*25)/2*34 x2=-36+(37^2+4*35*26)/2*36
37x^2+38x+27=0(39^2-43828>=0) x1=-40+(41^2-4*39*29)/2*40 x2=-42+(43^2+4*41*30)/2*42
43x^2+44x+31=0(45^2-44432>=0) x1=-46+(47^2-4*45*33)/2*46 x2=-48+(49^2+4*47*34)/2*48
49x^2+50x+35=0(51^2-45036>=0) x1=-52+(53^2-4*51*37)/2*52 x2=-54+(55^2+4*53*38)/2*54
55x^2+56x+39=0(57^2-45640>=0) x1=-58+(59^2-4*57*41)/2*58 x2=-60+(61^2+4*59*42)/2*60
61x^2+62x+43=0(63^2-46244>=0) x1=-64+(65^2-4*63*45)/2*64 x2=-66+(67^2+4*65*46)/2*66
67x^2+68x+47=0(69^2-46848>=0) x1=-70+(71^2-4*69*49)/2*70 x2=-72+(73^2+4*71*50)/2*72
73x^2+74x+51=0(75^2-47452>=0) x1=-76+(77^2-4*75*53)/2*76 x2=-78+(79^2+4*77*54)/2*78
79x^2+80x+55=0(81^2-48056>=0) x1=-82+(83^2-4*81*57)/2*82 x2=-84+(85^2+4*83*58)/2*84
85x^2+86x+59=0(87^2-48660>=0) x1=-88+(89^2-4*87*61)/2*88 x2=-90+(91^2+4*89*62)/2*90
91x^2+92x+63=0(93^2-49264>=0) x1=-94+(95^2-4*93*65)/2*94 x2=-96+(97^2+4*95*66)/2*96
97x^2+98x+67=0(99^2-49868>=0) x1=-100+(101^2-4*99*69)/2*100 x2=-102+(103^2+4*101*70)/2*102
103x^2+104x+71=0(105^2-410472>=0) x1=-106+(107^2-4*105*73)/2*106 x2=-108+(109^2+4*107*74)/2*108
109x^2+110x+75=0(111^2-411076>=0) x1=-112+(113^2-4*111*77)/2*112 x2=-114+(115^2+4*113*78)/2*114
115x^2+116x+79=0(117^2-411680>=0) x1=-118+(119^2-4*117*81)/2*118 x2=-120+(121^2+4*119*82)/2*120
121x^2+122x+83=0(123^2-412284>=0) x1=-124+(125^2-4*123*85)/2*124 x2=-126+(127^2+4*125*86)/2*126
127x^2+128x+87=0(129^2-412888>=0) x1=-130+(131^2-4*129*89)/2*130 x2=-132+(133^2+4*131*90)/2*132
133x^2+134x+91=0(135^2-413492>=0) x1=-136+(137^2-4*135*93)/2*136 x2=-138+(139^2+4*137*94)/2*138
139x^2+140x+95=0(141^2-414096>=0) x1=-142+(143^2-4*141*97)/2*142 x2=-144+(145^2+4*143*98)/2*144
145x^2+146x+99=0(147^2-4146100>=0) x1=-148+(149^2-4*147*101)/2*148 x2=-150+(151^2+4*149*102)/2*150
你就说这种的么 这里发图不方便 采纳的话加我Q349838184我给你图和答案
跪求50道二元一次方程组题。~
OK？1.2x+9y=81
3x+y=34
2.9x+4y=35
8x+3y=30
3.7x+2y=52
7x+4y=62
4.4x+6y=54
9x+2y=87
5.2x+y=7
2x+5y=19
6.x+2y=21
3x+5y=56
7.5x+7y=52
5x+2y=22
8.5x+5y=65
7x+7y=203
9.8x+4y=56
x+4y=21
10.5x+7y=41
5x+8y=44
11.7x+5y=54
3x+4y=38
12.x+8y=15
4x+y=29
13.3x+6y=24
9x+5y=46
14.9x+2y=62
4x+3y=36
15.9x+4y=46
7x+4y=42
16.9x+7y=135
4x+y=41
17.3x+8y=51
x+6y=27
18.9x+3y=99
4x+7y=95
19.9x+2y=38
3x+6y=18
20.5x+5y=45
7x+9y=69
21.8x+2y=28
7x+8y=62
22.x+6y=14
3x+3y=27
23.7x+4y=67
2x+8y=26
24.5x+4y=52
7x+6y=74
25.7x+y=9
4x+6y=16
26.6x+6y=48
6x+3y=42
27.8x+2y=16
7x+y=11
28.4x+9y=77
8x+6y=94
29.6x+8y=68
7x+6y=66
30.2x+2y=22
7x+2y=47
1) 66x+17y=3967
25x+y=1200
答案：x=48 y=47
(2) 18x+23y=2303
74x-y=1998
答案：x=27 y=79
(3) 44x+90y=7796
44x+y=3476
答案：x=79 y=48
(4) 76x-66y=4082
30x-y=2940
答案：x=98 y=51
(5) 67x+54y=8546
71x-y=5680
答案：x=80 y=59
(6) 42x-95y=-1410
21x-y=1575
答案：x=75 y=48
(7) 47x-40y=853
34x-y=2006
答案：x=59 y=48
(8) 19x-32y=-1786
75x+y=4950
答案：x=66 y=95
(9) 97x+24y=7202
58x-y=2900
答案：x=50 y=98
(10) 42x+85y=6362
63x-y=1638
答案：x=26 y=62
(11) 85x-92y=-2518
27x-y=486
答案：x=18 y=44
(12) 79x+40y=2419
56x-y=1176
答案：x=21 y=19
(13) 80x-87y=2156
22x-y=880
答案：x=40 y=12
(14) 32x+62y=5134
57x+y=2850
答案：x=50 y=57
(15) 83x-49y=82
59x+y=2183
答案：x=37 y=61
(16) 91x+70y=5845
95x-y=4275
答案：x=45 y=25
(17) 29x+44y=5281
88x-y=3608
答案：x=41 y=93
(18) 25x-95y=-4355
40x-y=2000
答案：x=50 y=59
(19) 54x+68y=3284
78x+y=1404
答案：x=18 y=34
(20) 70x+13y=3520
52x+y=2132
答案：x=41 y=50
(21) 48x-54y=-3186
24x+y=1080
答案：x=45 y=99
(22) 36x+77y=7619
47x-y=799
答案：x=17 y=91
(23) 13x-42y=-2717
31x-y=1333
答案：x=43 y=78
(24) 28x+28y=3332
52x-y=4628
答案：x=89 y=30
(25) 62x-98y=-2564
46x-y=2024
答案：x=44 y=54
(26) 79x-76y=-4388
26x-y=832
答案：x=32 y=91
(27) 63x-40y=-821
42x-y=546
答案：x=13 y=41
(28) 69x-96y=-1209
42x+y=3822
答案：x=91 y=78
(29) 85x+67y=7338
11x+y=308
答案：x=28 y=74
(30) 78x+74y=12928
14x+y=1218
答案：x=87 y=83
(31) 39x+42y=5331
59x-y=5841
答案：x=99 y=35
(32) 29x+18y=1916
58x+y=2320
答案：x=40 y=42
(33) 40x+31y=6043
45x-y=3555
答案：x=79 y=93
(34) 47x+50y=8598
45x+y=3780
答案：x=84 y=93
(35) 45x-30y=-1455
29x-y=725
答案：x=25 y=86
(36) 11x-43y=-1361
47x+y=799
答案：x=17 y=36
(37) 33x+59y=3254
94x+y=1034
答案：x=11 y=49
(38) 89x-74y=-2735
68x+y=1020
答案：x=15 y=55
(39) 94x+71y=7517
78x+y=3822
答案：x=49 y=41
(40) 28x-62y=-4934
46x+y=552
答案：x=12 y=85
(41) 75x+43y=8472
17x-y=1394
答案：x=82 y=54
(42) 41x-38y=-1180
29x+y=1450
答案：x=50 y=85
(43) 22x-59y=824
63x+y=4725
答案：x=75 y=14
(44) 95x-56y=-401
90x+y=1530
答案：x=17 y=36
(45) 93x-52y=-852
29x+y=464
答案：x=16 y=45
(46) 93x+12y=8823
54x+y=4914
答案：x=91 y=30
(47) 21x-63y=84
20x+y=1880
答案：x=94 y=30
(48) 48x+93y=9756
38x-y=950
答案：x=25 y=92
(49) 99x-67y=4011
75x-y=5475
答案：x=73 y=48
(50) 83x+64y=9291
90x-y=3690
答案：x=41 y=92
(51) 17x+62y=3216
75x-y=7350
答案：x=98 y=25
(52) 77x+67y=2739
14x-y=364
答案：x=26 y=11
(53) 20x-68y=-4596
14x-y=924
答案：x=66 y=87
(54) 23x+87y=4110
83x-y=5727
答案：x=69 y=29
(55) 22x-38y=804
86x+y=6708
答案：x=78 y=24
(56) 20x-45y=-3520
56x+y=728
答案：x=13 y=84
(57) 46x+37y=7085
61x-y=4636
答案：x=76 y=97
(58) 17x+61y=4088
71x+y=5609
答案：x=79 y=45
(59) 51x-61y=-1907
89x-y=2314
答案：x=26 y=53
(60) 69x-98y=-2404
21x+y=1386
答案：x=66 y=71
(61) 15x-41y=754
74x-y=6956
答案：x=94 y=16
(62) 78x-55y=656
89x+y=5518
答案：x=62 y=76
(63) 29x+21y=1633
31x-y=713
答案：x=23 y=46
(64) 58x-28y=2724
35x+y=3080
答案：x=88 y=85
(65) 28x-63y=-2254
88x-y=2024
答案：x=23 y=46
(66) 43x+50y=7064
85x+y=8330
答案：x=98 y=57
(67) 58x-77y=1170
38x-y=2280
答案：x=60 y=30
(68) 92x+83y=11586
43x+y=3010
答案：x=70 y=62
(69) 99x+82y=6055
52x-y=1716
答案：x=33 y=34
(70) 15x+26y=1729
94x+y=8554
答案：x=91 y=14
(71) 64x+32y=3552
56x-y=2296
答案：x=41 y=29
(72) 94x+66y=10524
84x-y=7812
答案：x=93 y=27
(73) 65x-79y=-5815
89x+y=2314
答案：x=26 y=95
(74) 96x+54y=6216
63x-y=1953
答案：x=31 y=60
(75) 60x-44y=-352
33x-y=1452
答案：x=44 y=68
(76) 79x-45y=510
14x-y=840
答案：x=60 y=94
(77) 29x-35y=-218
59x-y=4897
答案：x=83 y=75
(78) 33x-24y=1905
30x+y=2670
答案：x=89 y=43
(79) 61x+94y=11800
93x+y=5952
答案：x=64 y=84
(80) 61x+90y=5001
48x+y=2448
答案：x=51 y=21
(81) 93x-19y=2
86x-y=1548
答案：x=18 y=88
(82) 19x-96y=-5910
30x-y=2340
答案：x=78 y=77
(83) 80x+74y=8088
96x-y=8640
答案：x=90 y=12
(84) 53x-94y=1946
45x+y=2610
答案：x=58 y=12
(85) 93x+12y=9117
28x-y=2492
答案：x=89 y=70
(86) 66x-71y=-1673
99x-y=7821
答案：x=79 y=97
(87) 43x-52y=-1742
76x+y=1976
答案：x=26 y=55
(88) 70x+35y=8295
40x+y=2920
答案：x=73 y=91
(89) 43x+82y=4757
11x+y=231
答案：x=21 y=47
(90) 12x-19y=236
95x-y=7885
答案：x=83 y=40
(91) 51x+99y=8031
71x-y=2911
答案：x=41 y=60
(92) 37x+74y=4403
69x-y=6003
答案：x=87 y=16
(93) 46x+34y=4820
71x-y=5183
答案：x=73 y=43
(94) 47x+98y=5861
55x-y=4565
答案：x=83 y=20
(95) 30x-17y=239
28x+y=1064
答案：x=38 y=53
(96) 55x-12y=4112
79x-y=7268
答案：x=92 y=79
(97) 27x-24y=-450
67x-y=3886
答案：x=58 y=84
(98) 97x+23y=8119
14x+y=966
答案：x=69 y=62
(99) 84x+53y=11275
70x+y=6790
答案：x=97 y=59
(100) 51x-97y=297
19x-y=1520
答案：x=80 y=39
#冀忠俭# 求七年级上学期的二元一次方程50道,要写上过程. - 作业帮
(13470304817)：[答案] 请到百度文库中查找即可,建议你挑选典型题做几道就掌握了解方程的方法了,大可不必简单重复.
#冀忠俭# 急求20道数学二元一次方程组及答案!! -
(13470304817)： 1) 66x+17y=3967 25x+y=1200 答案:x=48 y=47 (2) 18x+23y=2303 74x-y=1998 答案:x=27 y=79 (3) 44x+90y=7796 44x+y=3476 答案:x=79 y=48 (4) 76x-66y=4082 30x-y=2940 答案:x=98 y=51 (5) 67x+54y=8546 71x-y=5680 答案:x=80 y=59 (6...
#冀忠俭# 求65道六年级下学期二元一次方程, - 作业帮
(13470304817)：[答案] 3x+y=34 2.9x+4y=35 8x+3y=30 3.7x+2y=52 7x+4y=62 4.4x+6y=54 9x+2y=87 5.2x+y=7 2x+5y=19 6.x+2y=21 3x+5y=56 7.5x+7y=52 5x+2y=22 8.5x+5y=65 7x+7y=203 9.8x+4y=56 x+4y=21 10.5x+7y=41 5x+8y=44 11.7x+5y=54 3x+4y=38 12.x+8y=15 4x+y=...
#冀忠俭# 我要找10道关于2元1次方程组的题 有解的 - 作业帮
(13470304817)：[答案] 1) 66x+17y=3967 25x+y=1200 答案:x=48 y=47 (2) 18x+23y=2303 74x-y=1998 答案:x=27 y=79 (3) 44x+90y=7796 44x+y=3476 答案:x=79 y=48 (4) 76x-66y=4082 30x-y=2940 答案:x=98 y=51 (5) 67x+54y=8546 71x-y=5680 答案:x=80 y=59 (6) 42...
#冀忠俭# 求二十道超难二元一次方程计算题(*带括号,带分母) - 作业帮
(13470304817)：[答案] 不能辜负我辛辛苦苦的打字呀! 1) 66x+17y=3967 25x+y=1200 答案:x=48 y=47 (2) 18x+23y=2303 74x-y=1998 答案:x=27 y=79 (3) 44x+90y=7796 44x+y=3476 答案:x=79 y=48 (4) 76x-66y=4082 30x-y=2940 答案:x=98 y=51 (5) 67x+54y=8546 71x...
#冀忠俭# 300道二元一次方程及答案急需二元,三元一次方程组或不等式组及答案共300道.不需要过程(不要是试卷),悬赏分20. - 作业帮
(13470304817)：[答案] 绝不重复,全(除后面的30道外)都有答案,也不是试卷,不知道你满不满意,我反正累坏了,给悬赏吧 66x+17y=3967 25x+y=1200 答案:x=48y=47 (2)18x+23y=2303 74x-y=1998 答案:x=27y=79 (3)44x+90y=7796 44x+y=3476 答案:x=79y=48 ...
#冀忠俭# 300道二元一次方程及答案三元一次方程组或不等式组及答案共300道.不需要过程(不要是试卷),悬赏分20. - 作业帮
(13470304817)：[答案] 绝不重复,全(除后面的30道外)都有答案,也不是试卷,不知道你满不满意,我反正累坏了,给悬赏吧 66x+17y=3967 25x+y=1200 答案:x=48 y=47 (2) 18x+23y=2303 74x-y=1998 答案:x=27 y=79 (3) 44x+90y=7796 44x+y=3476 答案:x=79 y=48...
#冀忠俭# 七年级下册数学第四章二元一次方程组 练习题 30 30道题目,也别太简单,也不是适中.只要经典!考试经常出现那种,最好附答案,过程能有个方程就不错了... - 作业帮
(13470304817)：[答案] 一、选择题(本大题共12小题,每小题3分,共36分.在每小题所给出的四个选项中,只有一项是符合题目要求) 1.下列方程中,是二元一次方程的是( ) A.3x-y2=0 B.+=1 C.-y=6 D.4xy=3 2.如果2x-7y=8,那么用含y的代数式表示x正确的是( ) A.y...
#冀忠俭# 求题!二元一次方程!关于二元一次方程的题和解题过程,大概10道左右.. - 作业帮
(13470304817)：[答案] 1、x+y=5① 6x+13y=89② 由①得x=5-y③ 把③代入②,得6(5-y)+13y=89 得 y=59/7 把y=59/7代入③,得x=5-59/7 得x=-24/7 ∴ x=-24/7 y=59/7 为方程组的解 2、 x+y=9① x-y=5② 2x=14 即 x=7 把x=7代入①,得 7+y=9 解,得:y=2 ∴ x=7 y=2 为方程组的...
#冀忠俭# 求几道二元一次方程题答案.①{x - 3y=2{3x - 2y=1②{1 - y=3x{2x - 5y= - 22③{3(x - y) - 2(x+y)= - 4{5(x+y) - 7(x - y)=2④{2x+3y=5{3x+2=10⑤{x - 3y=5{4y+2x=11Thanks - 作业帮
(13470304817)：[答案] 1.y=-7/5 x=-7/1
