二元一次方程组专项练习题105.docx

1、二元一次方程组专项练习题105 3a6b10 3x3y8 a b14 x7y10 x9y 149 8m7b1 4y6x 149 -2m3b1 5a4b6 9x6y0 a9b11 7x5y-2 5x4y 159 0.7x0.9y1.8 y5x 159 0.2x0.4y0.4 6a6b6 x5y1 7a2b5 8x y3 3x5y 77 2m7b26 7y2x 77 -10m8b12 9a7b18 5x5y2 6a5b11 6x y-3 8x8y 157 0.4x0.4y1.5 9y3x 157 0.7x0.8y3.8 6a5b17 x4y20 8a4b7 4x y10 7x7y 2 m2b19

2、7y8x 2 -2m2b21 8a8b7 x5y7 2a9b13 5x5y7 4x2y 134 0.7x0.2y0.5 y8x 134 0.2x0.2y1.7 9a3b12 8x y9 5a6b16 2x2y6 8x9y 66 m4b14 9y3x 66 -2m6b11 8a9b4 5x8y8 a2b8 2x5y3 3x7y 40 0.5x0.1y1.9 4y5x 40 0.7x0.5y3.3 2a6b12 7x8y2 2a4b11 7x6y9 6x8y 189 8m2b10 2y x 189 -8m3b21 2a2b6 x y10 9a2b16 5x7y0 6x5y 171 0.6x0.8y

3、1.2 y9x 171 0.3x0.5y1.4 a9b15 3x5y7 7a b20 4x7y14 x4y 74 9m8b8 5y2x 74 -7m8b29 6a3b10 6x6y2 7a4b6 5x2y-8 6x4y 136 0.3x0.1y2.1 9y8x 136 0.8x0.4y3.4 2a3b5 3x3y12 8a4b17 5x3y17 9x9y 145 2m5b3 2y8x 145 -5m6b10 7a2b12 3x8y-2 9a5b2 x7y6 3x y 67 0.4x0.2y2.7 6y3x 67 0.2x0.6y3.1 8a5b14 x8y1 8a4b8 8x8y4 5x7y

4、152 5m8b29 y x 152 -6m2b22 3a4b14 6x6y2 5a5b13 x4y-8 7x4y 164 0.9x0.1y0.5 7y3x 164 0.7x0.2y3.2 6a3b1 8x2y5 a7b2 5x5y2 3x7y 26 7m7b0 6y3x 26 -9m8b11 3a3b12 5x6y2 7a6b6 6x5y7 9x9y 110 0.9x0.2y2.6 y5x 110 0.9x0.2y2.7 6a5b15 8x8y4 a9b9 6x5y20 8x3y -2 7m9b25 6y8x -2 -8m4b17 a3b13 7x9y-7 4a5b20 x4y4 8x y

5、140 0.4x0.3y1.7 3y x 140 0.7x0.9y0.5 7a b9 8x6y15 4a4b13 4x3y3 9x8y 174 5m5b12 7y6x 174 -4m8b24 6a8b9 4x8y-5 5a b8 8x5y-1 4x4y 137 0.2x0.5y1.3 6y8x 137 0.1x0.9y3.4 8a6b7 5x9y13 a b8 8x2y18 9x8y 34 3m4b4 7y6x 34 -8m7b25 9a9b9 9x8y-7 7a9b6 8x7y9 6x3y 8 0.7x0.2y0.1 5y5x 8 0.1x0.2y0.1 6a5b5 2x4y13 a8b11

6、 6x8y7 7x7y 198 8m3b28 6y2x 198 -2m4b2 3a3b14 8x8y-1 7a3b12 2x8y1 3x5y 84 0.1x0.2y1.8 5y6x 84 0.5x0.5y1.7 7a6b6 5x6y13 2a2b15 5x5y12 6x7y 8 8m3b13 7y5x 8 -5m7b11 4a8b14 4x5y8 7a4b20 6x8y-8 3x5y 23 0.1x0.8y2 2y6x 23 0.4x0.7y0.4 a9b5 5x5y9 7a9b15 8x3y4 8x6y 154 6m5b21 9y6x 154 -10m7b14 4a2b17 x y9 7a4b10 3x8y-7 2x6y 59 0.7x0.6y3.5 6y7x 59 0.4x0.7y2.4