人教版七年级数学下册二元一次方程组练习题60.docx

1、人教版七年级数学下册二元一次方程组练习题60 3x3y=9 x7y=-4 5x3y=6 2x2y=5 3x4y=-8 x3y=7 2x4y=1 5x3y=0 5x2y=26 5x5y=9 2x y=2 4x2y=-8 x2y=2 5x7y=2 4x y=29 4x4y=-9 3x y=-3 5x5y=4 3x y=-9 9x y=6 4x7y=15 2x2y=7 2x2y=3 5x5y=4 4x3y=4 3x3y=-6 2x6y=-4 5x3y=4 2x y=8 x2y=-6 4x4y=1 7x7y=-9 6x3y=-23 4x3y=-6 x y=-4 4x y=-9 2x2y=5 3x y=

2、7 3x7y=28 x5y=0 3x4y=7 4x5y=9 4x4y=-7 5x2y=7 4x7y=-14 3x2y=-6 2x4y=3 3x4y=-8 4x4y=-8 6x6y=-7 8x y=-14 2x5y=7 x4y=-5 3x2y=6 3x3y=-9 6x7y=-6 3x y=-26 2x5y=-6 4x2y=-2 x3y=-3 3x5y=-1 2x6y=-1 6x8y=-13 5x2y=-9 5x2y=5 x5y=1 3x5y=8 6x y=1 9x4y=-20 3x5y=-2 x y=-2 5x y=2 5x3y=2 4x8y=1 8x5y=-20 4x4y=7 3x5y=-8

3、4x4y=-4 x4y=6 7x3y=-1 6x5y=-21 3x4y=0 x5y=9 5x2y=2 2x4y=-5 3x8y=8 6x5y=27 2x2y=2 3x3y=-4 4x5y=-5 3x5y=4 2x3y=-5 8x8y=11 x4y=-9 4x3y=6 4x2y=-8 4x2y=-1 8x y=-4 6x2y=29 5x4y=9 2x y=6 2x2y=8 x2y=-2 7x y=-4 2x9y=5 5x4y=-7 x y=-5 2x5y=6 4x y=-4 3x2y=4 5x y=-11 2x2y=2 2x y=3 4x2y=6 2x5y=8 4x6y=6 3x8y=3 5x4

4、y=6 5x2y=-3 5x5y=-8 x y=6 6x7y=-7 9x5y=15 3x3y=9 5x5y=-7 2x y=2 x y=9 7x8y=3 5x6y=-13 3x5y=-8 3x2y=-8 4x y=4 4x4y=4 9x2y=6 2x6y=-4 3x5y=2 x2y=0 x3y=7 3x y=-9 2x9y=-5 7x5y=-19 3x4y=-8 x2y=-6 5x2y=-6 2x4y=4 6x8y=-6 2x6y=15 3x5y=-9 4x3y=-5 x y=-5 2x4y=8 6x9y=0 4x8y=-27 5x4y=5 x4y=8 2x3y=2 4x2y=-4 4x8y=

5、1 9x5y=13 x y=7 5x4y=-8 x5y=7 5x3y=-7 3x8y=2 7x5y=0 3x4y=-5 5x y=-8 5x2y=-4 3x4y=1 7x4y=4 5x4y=-2 5x3y=-5 x2y=3 5x3y=8 5x4y=4 6x5y=6 3x8y=-28 2x5y=4 4x4y=1 4x3y=3 2x5y=-2 3x3y=3 3x6y=-29 5x4y=-1 x5y=3 x5y=5 x5y=-5 2x2y=6 2x8y=-10 x3y=-5 3x3y=3 5x y=-9 4x y=-8 9x7y=-6 8x8y=-24 4x3y=8 2x3y=9 3x y=-9 2

6、x2y=-8 6x7y=1 5x6y=8 2x y=6 x y=-4 3x5y=-2 x5y=8 7x y=4 6x8y=-17 3x3y=9 3x5y=1 4x y=-5 5x2y=-6 3x7y=1 3x7y=13 3x4y=5 3x2y=6 5x3y=-2 2x4y=-4 2x4y=8 2x2y=-20 x3y=1 5x2y=4 x y=-2 4x5y=-7 8x8y=6 x3y=-10 4x2y=0 3x2y=3 3x5y=-2 5x4y=-7 8x7y=-7 9x5y=3 3x5y=7 3x3y=4 5x2y=-6 x2y=0 x4y=5 x6y=-5 3x5y=2 5x y=-7

7、2x4y=8 3x y=6 6x7y=-2 4x2y=26 5x4y=3 4x4y=0 x4y=8 5x2y=-7 2x4y=8 x6y=28 5x3y=-3 x2y=1 3x3y=5 5x y=9 8x9y=-4 4x5y=22 2x3y=7 2x3y=-3 5x3y=-8 2x3y=-2 3x7y=8 2x7y=7 3x2y=0 x y=4 2x y=-9 2x3y=5 x y=-4 9x7y=25 4x5y=1 4x4y=0 5x y=-3 4x5y=-2 9x3y=-7 5x5y=3 4x5y=0 x3y=-8 x4y=1 2x3y=-4 2x2y=7 2x7y=-17 2x y=9

8、x5y=-3 3x2y=5 5x4y=3 3x6y=-2 6x y=29 3x3y=9 3x3y=7 2x5y=1 x4y=1 9x7y=-1 9x2y=9 4x5y=6 5x3y=-3 x5y=0 4x y=1 3x5y=3 x3y=-18 2x2y=4 3x y=-9 4x2y=1 2x y=5 6x2y=0 3x5y=-5 x y=-8 2x2y=0 x5y=-2 3x5y=6 4x9y=8 6x2y=17 x3y=5 3x y=3 5x y=4 x5y=-7 9x3y=-7 3x y=25 2x y=9 3x2y=8 4x2y=-2 5x3y=0 8x y=-1 3x9y=3 x3y=

9、1 2x5y=3 5x5y=7 2x2y=7 3x4y=-1 x6y=28 3x3y=-1 4x5y=-3 x3y=0 3x5y=1 5x8y=6 4x2y=1 5x4y=1 x y=-3 4x y=-9 3x4y=-9 8x3y=6 x9y=-17 5x4y=-9 x4y=9 4x y=4 x4y=1 3x y=-1 6x2y=-23 3x4y=6 5x5y=-5 3x5y=-7 2x4y=2 5x4y=5 7x3y=14 2x3y=1 4x3y=-8 2x4y=4 x4y=0 9x3y=-7 4x4y=-27 x4y=-4 2x4y=2 3x y=4 5x y=4 6x3y=4 9x4y=

10、-9 4x2y=-6 2x5y=-6 2x3y=1 2x3y=-4 9x9y=-7 x y=20 x4y=2 3x y=1 3x4y=-2 5x3y=-4 x y=3 5x3y=0 x4y=-1 5x5y=3 2x y=-1 3x y=7 5x8y=1 7x5y=-16 2x3y=1 5x5y=7 x3y=3 4x2y=7 7x5y=3 7x4y=14 3x y=-7 4x4y=7 3x5y=-7 5x3y=-1 2x2y=6 6x7y=-28 x4y=-4 3x y=4 5x y=-3 3x3y=2 5x2y=-7 x6y=27 2x5y=0 x y=-3 x y=-4 5x5y=9 6x9

11、y=-8 3x5y=20 4x3y=4 3x2y=3 3x y=-7 x2y=1 2x y=0 4x4y=-13 5x2y=-8 3x4y=2 2x2y=6 x4y=-6 x7y=6 2x7y=-24 4x y=-1 5x y=3 5x2y=9 x3y=4 x3y=-4 9x9y=-22 2x5y=9 4x y=-5 2x4y=1 2x y=-9 7x4y=3 2x8y=13 3x4y=3 3x5y=2 x y=-1 2x5y=7 8x4y=5 5x2y=22 2x2y=-8 2x4y=-2 x4y=-2 4x3y=-6 x4y=-3 x9y=-29 2x y=-1 3x2y=-3 4x2y=4 5x3y=4 3x y=-6 x6y=-2 3x4y=1 4x y=-1 5x3y=-4 x y=-6 5x8y=2 x7y=-12 x4y=4 2x y=-4 4x5y=7 4x3y=7 5x5y=5 2x5y=-8 4x5y=0 5x2y=-1 2x5y=-9 4x5y=-8 2x4y=6 3x3y=11 5x5y=0 4x y=-6 x4y=-1 2x2y=1 x5y=2 3x2y=-30 5x y=5 5x2y=-3 5x3y=-6 3x4y=-3 5x6y=-5 6x6y=1 4x3y=-7 4x2y=1 5x2y=-5