1、二元一次方程组专项练习题86 7a2b19 6x3y6 3a2b13 5x4y1 3x6y 195 5m2b26 4y3x 195 -10m4b28 2a7b7 5x2y10 4a3b16 5x5y-4 9x5y 95 0.9x0.5y0.1 8y9x 95 0.8x0.8y2.8 8a4b10 7x8y20 9a2b18 7x4y1 8x4y 139 3m b13 3y6x 139 -5m4b24 5a9b2 2x9y10 6a5b7 6x8y2 5x2y 182 0.1x0.9y0.1 2y x 182 0.6x0.2y3.6 2a3b18 8x4y14 5a6b10 9x9y16 8x4
2、y 60 8m b19 7y x 60 -3m8b24 5a7b10 5x y2 4a8b3 2x y-1 7x4y 182 0.1x0.2y3.2 5y7x 182 0.5x0.7y2.8 a4b5 6x5y17 5a9b15 4x7y15 8x3y 169 3m9b23 8y5x 169 -2m7b5 6a8b19 x2y-1 a6b4 3x y-10 3x7y 73 0.4x0.5y0.7 6y3x 73 0.4x0.2y2.9 8a4b4 9x3y20 2a8b1 4x8y10 x9y 177 3m9b2 2y3x 177 -3m8b20 7a4b10 6x9y-8 a b17 9x
3、y-3 3x5y 191 0.5x0.8y1.4 8y8x 191 0.1x0.7y0.2 5a5b9 4x6y4 7a3b17 6x4y7 4x8y 36 5m9b0 2y7x 36 -4m2b23 2a9b20 6x3y2 5a3b17 x9y5 9x9y 31 0.7x0.4y3.8 y6x 31 0.5x0.2y3.1 7a8b7 8x9y18 6a6b2 4x y2 5x4y 138 4m9b23 9y4x 138 -9m b13 7a7b9 3x6y2 8a2b19 2x4y-7 9x9y 179 0.6x0.1y0.3 9y x 179 0.5x0.7y0.7 a6b6 7x4y
4、13 3a8b19 9x y20 6x6y 28 2m b0 6y5x 28 -10m b14 5a2b17 8x4y-6 9a8b20 4x6y-1 9x5y 58 0.8x0.5y2.3 3y7x 58 0.7x0.5y4 7a3b3 4x5y5 8a8b2 9x y7 6x7y 97 4m7b17 9y3x 97 -6m5b30 a9b19 4x7y-2 6a b5 9x5y5 4x4y 168 0.3x0.2y3.7 4y2x 168 0.3x0.5y0.2 7a3b12 2x3y5 5a9b10 5x3y14 6x9y 196 9m2b4 6y3x 196 -6m b4 3a2b9
5、3x y-1 5a3b17 2x8y8 3x2y 136 0.6x0.2y3.1 5y5x 136 0.1x0.7y2.1 4a4b19 6x3y19 4a b7 6x y15 6x8y 107 7m3b3 4y6x 107 -5m8b27 5a4b5 9x4y7 6a6b9 6x4y6 x4y 180 0.3x0.8y1.6 6y5x 180 0.4x0.6y3.5 6a4b9 8x6y18 2a2b15 6x y13 4x2y 45 9m5b16 3y3x 45 -4m3b28 4a2b20 2x4y5 4a b6 9x6y-4 8x3y 112 0.5x0.2y2 3y6x 112 0.
6、8x0.3y3.6 5a6b5 4x2y16 5a5b11 x5y16 4x2y 188 4m8b1 8y4x 188 -5m5b4 2a2b17 3x8y-4 4a6b12 4x3y-10 5x6y 1 0.8x0.2y2.7 8y7x 1 0.6x0.6y2.3 8a b19 9x2y7 6a4b4 7x9y6 8x y 45 7m8b28 y6x 45 -6m2b22 8a6b5 x6y-1 9a6b10 9x7y-9 7x4y 123 0.4x0.3y2 8y7x 123 0.4x0.8y1 8a5b15 9x y10 8a4b4 3x7y7 2x3y 9 m6b13 2y9x 9 -1m2b19 a9b5 4x3y-10 9a7b9 6x9y1 4x3y 85 0.8x0.8y3.3 8y2x 85 0.7x0.5y0.1
