二元一次方程组计算题100题.doc

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1 / 11
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1. 2x+9y=81
3x+y=34
2. 9x+4y=35
8x+3y=30
3. 7x+2y=52 x-2y=6
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6 / 11
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5x+3y=2
2x-y=3
9x-3y=12
2x+y=6
2x+3y=7
3x+2y=3
3x+2y=18
x+y=7
53. 2x-5y=1
x+y=3
54. x+8y=442
5x+6y=480
3x-2y=5
7x-4y=11
3x-5y=2
2x-y=3
4x-3y=18
2x-y=8
x-2y=5
x+3y=-5
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7 / 11
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3x+y=7
2x+3y=7
3x-2y=7
2x-3y=3
61. 23x+17y=63
17x+23y=57
62. x-y=2
x+1=2(y-1)
63. x-5y=0
3x+2y=17
64. x+2=4
2(y-3)=6
65. 3(y-2)=x-1
2(x-1)=5y-8
66. x+2y+2=0
7x-4y=-41
x-3y+20=0
3x+7y-100=0
68. 2x+y=1
3x-2y=-9
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8 / 11
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3x-4y+11=0
3y-4x+53=0
4y=3x+4
5y=4x+3
7x-3y+1=0
4x-5y=-17
3x-y-3=0
4x+3y=17
73. x-y=3
2y+3(x-y)=11
74.
3x-4y=2
3(x-4)=4(y+2)
3x+2y=10
2(x+1)-y=11
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9 / 11
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2(2x+y)-5=7y
6x+6y=48
6x+3y=42
(2x+y)-5y=2
2x-5y=0
81.
2x+y=2
82.
3(x-4)=4(y+2)
83. 2x-3y=-5
3x+2y=12
84. 3x-2(x+2y)=3
11x+4(x+2y)=45
85. x-2y=3
86. 9x+2y=20
3x+4y=10
87.
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10 / 11
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88. 11x-9y=12
-4x+3y=-5
3x+5y=6
6x+15y=16
90. 3x-y-3=0
4x+3y=17
91. x+y=500
+=386
92.
93.
x+4y=4
94.
95. 3x+5y=19
8x-3y=67
96.