解二元一次方程组计算题.doc
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解二元一次方程组计算题
1.3x+y=34
2x+9y=812..3..
4.9x+4y=35
8x+3y=305..6.
7.7x+2y=52
7x+4y=62.8.9.
10.4x+6y=54
9x+2y=8711..12.
13.2x+y=7
2x+5y=1914..15.
16.x+2y=21
3x+5y=5617..18..
19.5x+7y=52
5x+2y=2220..21.
22.5x+5y=65
7x+7y=20323..24..
25.8x+4y=56
x+4y=2126.27.
28.5x+7y=41
5x+8y=4429..30.
31.7x+5y=54
3x+4y=3832.33..
x+8y=15
34.4x+y=2935.36..
37.3x+6y=24
9x+5y=4638.39.
40.9x+2y=62
4x+3y=3641..42.
15.9x+4y=46
7x+4y=4244.45.
46.9x+7y=1353x+8y=514x+7y=95
48.
x+6y=2747.4x+y=419x+3y=99
49.9x+2y=382x+3y=73x-2y=7
50.51.
3x+6y=183x+y=72x-3y=3
..
52.5x+5y=4553.8x+2y=28x+6y=14
3x+3y=2754.
7x+9y=697x+8y=62
55.7x+4y=675x+3y=857.6x-7y=5
x+2y=456.3x+5y=82x+8y=26
58.5x+4y=524x-3y=1860.x-2y=5
59.x+3y=-5
7x+6y=742x-y=8
61.7x+y=962.3x-2y=563.3x-5y=2
4x+6y=16
7x-4y=112x-y=3
64.6x+6y=48y-3x=266.10x-8y=14
6x+3y=4265.x-2y=6x+y=5
55.8x+2y=169x-3y=123x-5y=2
7x+y=1168.2x+y=669.2x-y=3
70.4x+9y=77
8x+6y=94
71.4x+7y=3
x+y=0
72.3x+y=10
7x-y=20
73.44x+10y=27
x+y=1
74.8x-y=0
x+y=18
75.11x-y=12
11y-x=-12
76.5x+6y=27
2x+3y=12
77.7x-2y=4
x+2y=12
78.(2x+y)-5y=2
2x-5y=0
79.7x-3y=3
3x+2y=21
80.7x+2y=21
y-6x=1
81.10x-8y=0
3x-2y=2
82.3x+y=10
5x-7y=8
83.3x-2y=1
x-y=3
47.x+3y=-5
3x-4y=-2
48.5x+3y=2
2x-y=3
49.2x+3y=7
3x+2y=3
50.3x+2y=18
x+y=7
88.2x-5y=1
x+y=3
89.x+8y=442
5x+6y=480
90.3x-2y=5
7x-4y=11
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