人教版七年级数学下册二元一次方程组练习题63.docx

1、人教版七年级数学下册二元一次方程组练习题63 4x4y=6 2x2y=-7 8x8y=18 x y=1 2x3y=9 4x2y=-2 4x4y=-1 x3y=6 2x7y=-7 2x3y=9 3x y=-5 x4y=5 x y=3 3x y=-4 5x4y=-17 5x3y=8 x5y=-7 5x3y=-3 3x2y=8 7x8y=2 5x3y=-19 x y=0 5x2y=0 5x4y=-3 4x2y=-6 9x5y=-1 9x2y=4 4x y=8 3x4y=0 4x y=8 4x3y=5 2x2y=-8 5x y=23 5x4y=-6 2x3y=-9 3x4y=-3 2x4y=-3 4x

2、2y=-3 4x6y=-29 4x y=0 2x3y=-5 x4y=-8 5x2y=-4 8x7y=8 8x4y=30 5x y=-7 3x y=2 2x2y=-7 2x y=-8 8x7y=-8 9x6y=4 2x4y=-6 3x2y=2 3x3y=4 4x2y=2 7x4y=1 8x4y=26 3x4y=7 3x3y=-6 5x4y=4 5x4y=-9 6x y=-3 6x y=27 4x y=9 2x5y=-2 2x5y=8 5x2y=-7 5x8y=2 9x8y=-21 2x4y=-3 x3y=7 4x5y=1 2x3y=-4 3x8y=0 5x6y=-25 5x2y=-2 4x3y=

3、-1 2x4y=5 2x y=-9 3x5y=5 5x7y=26 3x y=-2 4x y=7 3x4y=1 5x3y=-1 8x y=-5 7x7y=12 5x2y=-4 5x4y=-8 5x3y=0 2x3y=3 9x4y=0 x7y=30 2x4y=2 3x2y=5 x3y=-2 5x4y=-6 x8y=0 4x9y=-18 4x4y=4 5x y=-1 4x y=-9 4x y=-8 x9y=-5 7x3y=-14 2x2y=-4 3x2y=8 5x y=-7 5x5y=-4 x y=-2 9x5y=-17 2x y=-7 5x3y=4 x2y=9 x2y=-3 5x2y=-7 2x7

4、y=18 4x5y=3 x y=-4 x3y=4 3x2y=4 5x5y=-8 9x8y=-11 x4y=5 2x2y=-9 4x2y=7 3x3y=-6 x3y=3 4x2y=-15 5x3y=-1 3x5y=9 x4y=1 3x2y=-2 4x7y=-1 6x3y=28 4x3y=3 4x3y=-7 3x2y=0 2x y=3 2x7y=4 5x8y=-12 5x2y=1 4x4y=4 3x y=-6 x2y=9 5x2y=5 2x y=-23 2x5y=3 3x y=-6 2x2y=6 4x4y=1 3x9y=9 8x3y=14 x3y=-3 3x y=-3 2x3y=-4 5x y=-

5、1 7x3y=7 7x8y=-4 3x5y=-9 3x2y=-2 x4y=7 2x3y=-5 2x8y=3 6x7y=25 3x4y=-7 2x4y=-8 5x2y=-2 3x3y=3 6x y=0 3x y=-24 3x4y=4 4x4y=-8 3x5y=9 x y=5 5x7y=9 7x3y=-4 x y=-4 2x3y=-1 4x y=0 2x3y=9 5x5y=-9 2x5y=-30 5x4y=-2 5x y=1 x3y=-6 3x3y=9 5x9y=-4 3x9y=19 3x y=-5 x5y=4 3x3y=5 3x2y=4 x5y=-6 5x y=-10 3x4y=3 3x5y=-

6、5 4x3y=0 x5y=-1 7x3y=-4 9x6y=-6 x y=-7 3x3y=-3 3x3y=-7 5x4y=3 7x8y=6 3x9y=15 5x5y=7 4x2y=6 2x2y=5 3x4y=8 x2y=0 9x7y=25 x2y=-3 3x2y=-9 x3y=2 2x4y=-7 3x2y=-8 6x7y=-23 x3y=8 3x5y=8 4x4y=-6 x5y=4 7x4y=7 x4y=-9 3x3y=5 4x y=3 4x2y=7 3x y=-8 8x5y=0 9x2y=19 4x5y=9 4x3y=-2 x2y=1 5x4y=3 6x2y=4 4x6y=26 2x4y=9

7、4x2y=-1 3x3y=6 4x5y=9 8x8y=-6 4x5y=19 3x2y=-9 3x3y=-2 3x5y=3 x5y=3 x7y=0 9x7y=-12 5x2y=-4 x3y=-4 2x4y=-2 5x4y=-2 9x3y=-1 7x9y=10 4x3y=6 2x3y=1 5x5y=7 4x4y=0 5x8y=4 8x5y=15 2x3y=-3 4x y=2 4x3y=5 3x4y=-8 3x5y=8 6x5y=13 x4y=1 x5y=3 5x2y=-2 x4y=3 x6y=3 5x y=-25 2x2y=8 4x y=9 x5y=7 5x2y=4 9x y=7 9x2y=-26

8、 5x3y=1 2x y=-9 3x2y=-8 5x2y=3 2x7y=5 4x y=30 5x2y=3 4x2y=-3 4x5y=7 5x4y=0 9x y=9 7x3y=-11 3x2y=1 3x y=-6 3x4y=6 x2y=7 5x9y=7 x7y=-25 x y=8 x4y=1 3x3y=-1 4x5y=9 2x3y=-8 4x9y=-21 2x5y=3 4x2y=-5 5x3y=-8 3x3y=3 x2y=-6 6x3y=-8 3x2y=-1 x2y=4 5x y=-3 4x3y=-3 4x2y=7 6x2y=-5 x3y=-3 2x5y=2 4x5y=4 4x4y=6 6x9y

9、=3 2x9y=-10 3x2y=-4 x y=4 4x4y=-9 x4y=-6 7x5y=-1 2x6y=27 4x4y=-9 4x2y=-8 x3y=2 5x5y=-2 4x5y=9 2x4y=-12 x5y=-7 4x5y=-8 x y=2 5x3y=-6 5x9y=-1 7x5y=12 5x y=3 5x5y=6 2x y=-3 5x2y=2 4x8y=6 6x7y=18 5x3y=9 3x4y=6 2x2y=7 4x3y=-4 5x y=-9 8x3y=-17 4x2y=-7 4x y=-2 3x4y=-2 3x2y=2 8x5y=4 9x4y=-25 3x2y=3 3x4y=-6

10、5x5y=-8 5x5y=7 4x2y=-8 3x9y=-19 4x y=-2 4x4y=0 2x y=3 x5y=-8 x9y=1 7x8y=30 2x5y=-4 x3y=0 x y=8 x5y=-6 9x2y=1 7x3y=-29 2x4y=2 3x2y=-9 4x3y=0 5x3y=-4 3x3y=-8 5x6y=5 2x4y=0 x5y=-9 4x4y=1 5x2y=-2 2x4y=5 x5y=11 x y=1 4x5y=-1 4x5y=-5 2x5y=2 5x2y=2 7x7y=-8 x5y=2 5x3y=-9 2x4y=5 4x2y=6 4x y=8 5x2y=13 2x y=8

11、5x4y=2 4x3y=6 4x5y=-5 6x9y=9 x6y=18 5x4y=-7 4x5y=9 2x3y=5 4x2y=2 3x5y=-1 9x8y=10 x5y=2 4x5y=0 2x3y=3 5x3y=0 2x y=-8 6x y=-28 x y=-2 4x5y=-6 5x5y=1 5x4y=2 2x5y=2 7x2y=-10 5x5y=-3 x4y=1 5x y=-6 5x3y=-7 3x4y=-1 6x9y=-15 5x4y=1 4x4y=8 x5y=-9 2x3y=-6 7x7y=-5 x5y=4 5x2y=-2 3x4y=-9 4x3y=-8 2x2y=5 5x2y=0 3x7y=-9 4x3y=0 3x y=4 x5y=8 3x5y=-3 8x y=0 9x9y=-5 5x4y=-2 5x5y=-5 4x2y=6 4x4y=-5 4x2y=-4 8x8y=-15 2x4y=-9 5x4y=-5 3x2y=-6 4x5y=-6 x5y=3 4x8y=-11 3x2y=-9 x3y=-6 4x5y=2 2x2y=5 2x4y=3 7x y=23 5x4y=-2 2x2y=5 4x4y=1 5x y=1 9x5y=6 4x9y=17 3x3y=-7 2x5y=-3 2x y=-5 x3y=-1 2x2y=3 9x9y=-7 x y=3 3x4y=5 4x2y=-3