二元一次方程组 习题及答案100道Word格式.docx
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x+6y=27
+3y=99
4x+7y=95
+2y=38
3x+6y=18
+5y=45
|
7x+9y=69
+2y=28
7x+8y=62
+6y=14
3x+3y=27
+4y=67
2x+8y=26
+4y=52
7x+6y=74
+y=9
·
4x+6y=16
+6y=48
6x+3y=42
+2y=16
7x+y=11
+9y=77
8x+6y=94
+8y=68
7x+6y=66
+2y=22
!
7x+2y=47
1)66x+17y=3967
25x+y=1200
答案:
x=48y=47
(2)18x+23y=2303
74x-y=1998
x=27y=79
(3)44x+90y=7796
44x+y=3476
x=79y=48
-
(4)76x-66y=4082
30x-y=2940
x=98y=51
(5)67x+54y=8546
71x-y=5680
x=80y=59
(6)42x-95y=-1410
21x-y=1575
x=75y=48
(7)47x-40y=853
、
34x-y=2006
x=59y=48
(8)19x-32y=-1786
75x+y=4950
x=66y=95
(9)97x+24y=7202
58x-y=2900
x=50y=98
(10)42x+85y=6362
63x-y=1638
x=26y=62
(11)85x-92y=-2518
27x-y=486
x=18y=44
(12)79x+40y=2419
56x-y=1176
x=21y=19
(13)80x-87y=2156
22x-y=880
x=40y=12
#
(14)32x+62y=5134
57x+y=2850
x=50y=57
(15)83x-49y=82
59x+y=2183
x=37y=61
(16)91x+70y=5845
95x-y=4275
x=45y=25
(17)29x+44y=5281
%
88x-y=3608
x=41y=93
(18)25x-95y=-4355
40x-y=2000
x=50y=59
(19)54x+68y=3284
78x+y=1404
x=18y=34
(20)70x+13y=3520
52x+y=2132
'
x=41y=50
(21)48x-54y=-3186
24x+y=1080
x=45y=99
(22)36x+77y=7619
47x-y=799
x=17y=91
(23)13x-42y=-2717
31x-y=1333
x=43y=78
(24)28x+28y=3332
52x-y=4628
x=89y=30
(25)62x-98y=-2564
46x-y=2024
x=44y=54
(26)79x-76y=-4388
26x-y=832
x=32y=91
(27)63x-40y=-821
^
42x-y=546
x=13y=41
(28)69x-96y=-1209
42x+y=3822
x=91y=78
(29)85x+67y=7338
11x+y=308
x=28y=74
(30)78x+74y=12928
14x+y=1218
)
x=87y=83
(31)39x+42y=5331
59x-y=5841
x=99y=35
(32)29x+18y=1916
58x+y=2320
x=40y=42
(33)40x+31y=6043
45x-y=3555
x=79y=93
—
(34)47x+50y=8598
45x+y=3780
x=84y=93
(35)45x-30y=-1455
29x-y=725
x=25y=86
(36)11x-43y=-1361
47x+y=799
x=17y=36
(37)33x+59y=3254
(
94x+y=1034
x=11y=49
(38)89x-74y=-2735
68x+y=1020
x=15y=55
(39)94x+71y=7517
78x+y=3822
x=49y=41
(40)28x-62y=-4934
46x+y=552
x=12y=85
(41)75x+43y=8472
17x-y=1394
x=82y=54
(42)41x-38y=-1180
29x+y=1450
x=50y=85
(43)22x-59y=824
63x+y=4725
x=75y=14
(44)95x-56y=-401
90x+y=1530
(45)93x-52y=-852
29x+y=464
x=16y=45
(46)93x+12y=8823
54x+y=4914
x=91y=30
(47)21x-63y=84
20x+y=1880
x=94y=30
(48)48x+93y=9756
38x-y=950
x=25y=92
(49)99x-67y=4011
75x-y=5475
x=73y=48
(50)83x+64y=9291
90x-y=3690
x=41y=92
(51)17x+62y=3216
75x-y=7350
x=98y=25
(52)77x+67y=2739
14x-y=364
x=26y=11
(53)20x-68y=-4596
14x-y=924
x=66y=87
(54)23x+87y=4110
83x-y=5727
x=69y=29
(55)22x-38y=804
86x+y=6708
x=78y=24
(56)20x-45y=-3520
56x+y=728
x=13y=84
(57)46x+37y=7085
<
61x-y=4636
x=76y=97
(58)17x+61y=4088
71x+y=5609
x=79y=45
(59)51x-61y=-1907
89x-y=2314
x=26y=53
(60)69x-98y=-2404
21x+y=1386
x=66y=71
(61)15x-41y=754
74x-y=6956
x=94y=16
(62)78x-55y=656
89x+y=5518
x=62y=76
(63)29x+21y=1633
31x-y=713
x=23y=46
~
(64)58x-28y=2724
35x+y=3080
x=88y=85
(65)28x-63y=-2254
88x-y=2024
(66)43x+50y=7064
85x+y=8330
x=98y=57
(67)58x-77y=1170
38x-y=2280
x=60y=30
(68)92x+83y=11586
43x+y=3010
x=70y=62
(69)99x+82y=6055
52x-y=1716
x=33y=34
(70)15x+26y=1729
94x+y=8554
[
x=91y=14
(71)64x+32y=3552
56x-y=2296
x=41y=29
(72)94x+66y=10524
84x-y=7812
x=93y=27
(73)65x-79y=-5815
89x+y=2314
x=26y=95
(74)96x+54y=6216
63x-y=1953
x=31y=60
(75)60x-44y=-352
33x-y=1452
x=44y=68
(76)79x-45y=510
14x-y=840
x=60y=94
(77)29x-35y=-218
59x-y=4897
x=83y=75
(78)33x-24y=1905
30x+y=2670
x=89y=43
(79)61x+94y=11800
93x+y=5952
x=64y=84
(80)61x+90y=5001
48x+y=2448
x=51y=21
(81)93x-19y=2
86x-y=1548
x=18y=88
(82)19x-96y=-5910
30x-y=2340
x=78y=77
(83)80x+74y=8088
96x-y=8640
x=90y=12
】
(84)53x-94y=1946
45x+y=2610
x=58y=12
(85)93x+12y=9117
28x-y=2492
x=89y=70
(86)66x-71y=-1673
99x-y=7821
x=79y=97
(87)43x-52y=-1742
76x+y=1976
x=26y=55
(88)70x+35y=8295
40x+y=2920
x=73y=91
(89)43x+82y=4757
11x+y=231
x=21y=47
(90)12x-19y=236
95x-y=7885
x=83y=40
(91)51x+99y=8031
71x-y=2911
x=41y=60
(92)37x+74y=4403
69x-y=6003
x=87y=16
(93)46x+34y=4820
71x-y=5183
x=73y=43
(94)47x+98y=5861
55x-y=4565
x=83y=20
(95)30x-17y=239
28x+y=1064
x=38y=53
(96)55x-12y=4112
79x-y=7268
x=92y=79
(97)27x-24y=-450
67x-y=3886
x=58y=84
(98)97x+23y=8119
14x+y=966
x=69y=62
(99)84x+53y=11275
70x+y=6790
x=97y=59
(100)51x-97y=297
19x-y=1520
x=80y=39