二元一次方程组专项练习题88.docx

1、二元一次方程组专项练习题88 5a3b10 8x7y3 6a8b6 x2y7 8x y 117 3m b11 8y9x 117 -2m5b1 6a7b19 2x6y2 5a2b2 x y-3 8x y 60 0.5x0.7y1.7 8y x 60 0.5x0.7y2.3 3a b13 x7y7 3a5b19 5x8y4 x y 170 8m5b1 9y7x 170 -7m9b21 3a6b4 7x5y9 6a9b17 4x2y-6 x9y 76 0.1x0.2y2.6 9y8x 76 0.4x0.3y1.8 3a b11 x y16 4a2b16 x7y19 4x9y 72 6m2b26 2y

2、6x 72 -9m9b11 5a6b10 7x2y8 6a9b16 5x6y2 8x y 19 0.6x0.8y2.6 6y3x 19 0.7x0.1y1.1 9a7b20 9x8y12 6a9b18 4x2y10 2x9y 37 9m2b9 7y4x 37 -7m3b25 5a b15 3x7y-10 3a6b13 7x y3 5x3y 85 0.1x0.2y2 7y8x 85 0.6x0.6y0.3 4a8b9 5x3y12 3a7b1 8x y9 2x7y 170 m5b29 y5x 170 -5m3b22 5a5b18 3x7y9 9a2b11 4x y6 7x5y 26 0.5x0.

3、5y1.6 5y5x 26 0.9x0.6y3 7a b6 6x7y18 3a7b3 6x5y20 2x7y 151 6m5b5 3y9x 151 -6m8b17 a6b2 9x7y-2 4a4b2 5x8y5 3x2y 4 0.3x0.7y2.7 2y x 4 0.2x0.6y2.1 4a9b14 9x5y4 5a2b4 3x3y17 3x2y 123 9m9b5 9y2x 123 -1m3b22 a2b4 9x4y-1 2a9b17 8x4y10 3x9y 163 0.4x0.3y2.6 y7x 163 0.4x0.7y0.8 3a9b16 5x6y7 a2b8 7x4y19 3x7y 1

4、6 3m5b18 2y7x 16 -8m2b27 4a b1 x8y-7 2a3b1 8x4y6 6x6y 187 0.4x0.8y0.3 5y6x 187 0.5x0.9y0.9 7a5b17 4x4y10 4a2b13 6x9y5 6x4y -3 8m4b0 4y6x -3 -8m7b12 8a3b20 3x2y-9 4a3b15 8x2y7 5x2y 95 0.5x0.3y2.5 4y4x 95 0.2x0.7y0.7 9a4b14 5x7y1 2a5b16 2x y19 5x2y 165 2m9b30 3y8x 165 -7m2b27 9a4b10 7x8y8 5a8b15 4x y1

5、0 x5y 30 0.4x0.9y1.3 4y5x 30 0.6x0.7y1.1 4a5b11 6x5y8 2a b6 6x2y18 5x7y 147 m b12 3y5x 147 -9m2b0 5a3b4 5x4y-9 8a9b18 7x9y6 4x2y 95 0.8x0.4y0.5 2y9x 95 0.3x0.5y3 3a7b19 6x2y7 a5b16 3x4y2 x5y 140 6m5b7 y x 140 -6m6b4 2a9b16 7x y-7 5a9b15 x5y-6 2x3y 20 0.3x0.7y1.4 7y x 20 0.8x0.6y3.7 7a7b15 4x6y10 6a4

6、b10 3x8y5 2x7y 14 3m4b8 y3x 14 -10m6b17 8a b9 3x y9 8a2b12 4x y-10 x y -9 0.4x0.2y4 7y3x -9 0.8x0.5y2 5a9b1 6x y20 9a2b1 8x3y20 2x2y 138 5m5b26 6y2x 138 -3m3b17 2a9b10 9x y5 2a2b20 9x4y-9 5x9y 150 0.7x0.6y0.7 6y x 150 0.7x0.1y2.2 7a6b11 5x8y2 8a6b12 6x y12 8x8y 100 9m5b8 5y8x 100 -5m3b1 8a4b12 7x6y0 5a8b2 6x9y-6 3x4y 164 0.4x0.3y0.2 y3x 164 0.9x0.7y3.8