七年级下册二元一次方程纯计算题100题.docx

七年级下册二元一次方程纯计算题100题.docx

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七年级下册二元一次方程纯计算题100题

七年级下册二元一次方程纯计题100算题．

题七年级下册二元一次方程纯计算题1001.2x+9y=812.9x+4y=353.7x+2y=52

3x+y=348x+3y=307x+4y=62

4.4x+6y=545.2x+y=76.x+2y=21

9x+2y=872x+5y=193x+5y=56

7.5x+7y=528.5x+5y=659.8x+4y=56

5x+2y=227x+7y=203x+4y=21

10.5x+7y=4111.7x+5y=5412.x+8y=15

5x+8y=443x+4y=384x+y=29

2

13.3x+6y=2414.9x+2y=6215.9x+4y=46

9x+5y=464x+3y=367x+4y=42

16.9x+7y=13517.3x+8y=5118.9x+3y=99

4x+y=41x+6y=274x+7y=95

19.9x+2y=3820.5x+5y=4521.8x+2y=28

3x+6y=187x+9y=697x+8y=62

21.8x+2y=2822.x+6y=1423.7x+4y=67

7x+8y=623x+3y=272x+8y=26

3

24.5x+4y=5225.7x+y=926.6x+6y=48

7x+6y=744x+6y=166x+3y=42

27.8x+2y=1628.4x+9y=7729.6x+8y=68

7x+y=118x+6y=947x+6y=66

30.2x+2y=2231.5x+3y=832.6x-7y=5

7x+2y=473x+5y=8x+2y=4

33.10x-8y=1434.4x+7y=335.3x+y=10

x+y=5x+y=07x-y=20

4

36.44x+10y=2737.8x-y=038.11x-y=12

x+y=1x+y=1811y-x=-12

39.5x+6y=2740.7x-2y=441.（2x+y）-5y=2

2x+3y=12x+2y=122x-5y=0

42.7x-3y=343.7x+2y=2144.10x-8y=0

3x+2y=21y-6x=13x-2y=2

45.3x+y=1046.3x-2y=147.y-3x=2

5x-7y=8x-y=3x-2y=6

5

48.9x-3y=1249.x+3y=-5502x+3y=7

2x+y=63x-4y=-23x+2y=3

513x+2y=1852.2x-5y=153.x+8y=42

x+y=7x+y=33x-4y=-20

543x-5y=2

2x-y=3

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68.4x+6y=54

9x+2y=87

70.5x+5y=65

7x+7y=203

8

75.18x+23y=230367.2x+y=7

44x+90y=77962x+5y=19

67x+54y=8546

68.x+2y=2176.71x-y=56803x+5y=56

42x-95y=-1410

71.8x+4y=5677.21x-y=1575x+4y=21

47x-40y=85372.3x+8y=5178.34x-y=2006x+6y=27

79.19x-32y=-178673.9x+3y=99

75x+y=495018x+23y=2303

9

84.80x-87y=215680.97x+24y=7202

22x-y=88058x-y=2900

85.32x+62y=513481.42x+85y=6362

57x+y=285063x-y=1638

86.83x-49y=8282.85x-92y=-2518

59x+y=218327x-y=486

74.66x+17y=3967

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