1、二元一次方程组专项练习题100 9a7b11 3x4y2 a2b2 2x8y17 7x8y 97 4m3b1 8y6x 97 -5m7b2 7a3b15 3x7y7 5a7b1 3x9y-4 6x7y 121 0.2x0.2y0.2 2y4x 121 0.8x0.8y1.2 7a5b6 7x5y8 a9b13 x8y9 6x8y 106 6m5b20 3y x 106 -1m8b17 2a8b12 7x6y5 5a5b11 x5y-6 8x3y 104 0.7x0.6y2.3 7y x 104 0.8x0.3y2.1 6a8b2 6x8y19 8a5b5 2x6y9 2x6y 89 2m b2
2、9 6y5x 89 -4m9b1 7a b20 2x2y-7 7a3b13 6x4y4 6x2y 78 0.3x0.8y2.6 4y6x 78 0.1x0.2y3.5 9a5b15 5x y7 5a3b4 4x2y18 x y 121 4m5b22 y6x 121 -9m9b7 6a5b10 7x7y1 9a6b12 8x4y6 x3y 13 0.4x0.7y2.8 4y4x 13 0.6x0.1y0.1 2a7b4 4x5y10 7a b3 6x2y16 4x6y 186 5m2b17 8y2x 186 -10m7b23 a6b4 9x9y-4 8a4b9 4x y7 x y 187 0.6
3、x0.2y1.7 6y2x 187 0.5x0.6y1.4 2a3b20 4x6y14 9a7b17 9x4y13 9x5y 100 2m2b24 2y x 100 -1m4b25 9a5b20 2x7y0 8a b6 x y9 3x8y 22 0.1x0.7y3.6 5y5x 22 0.7x0.9y2.1 6a2b9 2x3y7 5a9b12 4x6y14 7x6y 193 m3b13 5y7x 193 -6m5b3 4a7b9 5x5y8 4a9b11 6x4y2 5x3y 62 0.6x0.4y1.3 3y3x 62 0.6x0.9y0.6 7a b7 2x y8 8a5b9 6x2y5
4、 4x6y 194 6m6b7 2y x 194 -9m7b0 9a2b15 x7y10 5a5b10 7x5y-5 4x7y 99 0.4x0.2y2.6 2y x 99 0.2x0.8y2 7a6b19 x5y5 9a8b20 2x5y19 3x4y 28 3m5b15 4y4x 28 -2m2b18 5a b13 4x2y10 5a7b18 4x9y-7 3x8y 26 0.5x0.9y3 4y7x 26 0.1x0.6y3.2 5a b18 8x y19 6a9b18 4x3y13 8x9y 167 2m3b1 2y7x 167 -7m3b15 4a3b15 x9y0 8a5b9 7x
5、8y-1 7x5y 58 0.7x0.4y1.4 9y7x 58 0.3x0.4y2.5 4a5b6 8x7y3 a8b17 8x8y18 7x7y 82 7m3b8 6y4x 82 -1m5b7 9a9b14 4x7y6 2a2b16 8x7y-2 9x2y 37 0.3x0.1y1.2 8y8x 37 0.7x0.9y1.5 6a8b13 2x7y11 4a2b11 4x5y12 7x y -1 3m4b7 9y7x -1 -4m8b30 7a2b7 6x y6 7a8b7 6x5y2 4x3y 115 0.1x0.6y1 4y7x 115 0.4x0.6y0.2 5a6b17 9x5y1
6、6 4a5b2 2x7y4 5x5y 196 5m7b17 3y7x 196 -6m8b11 a7b17 3x5y-2 2a6b14 7x y-7 2x7y 97 0.4x0.6y1.4 7y5x 97 0.6x0.5y0.7 7a4b13 x9y8 7a6b19 9x8y17 x6y 127 9m b16 7y2x 127 -1m5b7 8a6b9 4x2y-10 a8b2 x5y9 3x4y 67 0.9x0.3y0.5 2y x 67 0.4x0.6y1.4 6a4b12 6x9y17 3a9b16 3x y17 x8y 26 4m4b21 5y6x 26 -1m2b25 9a8b20 4x7y4 2a b18 9x y-1 3x6y 5 0.7x0.5y3.7 6y8x 5 0.7x0.7y3.8
