初中数学解二元一次方程组专项练习题 44.docx

1、初中数学解二元一次方程组专项练习题 44 4a3b16 3x6y14 6a b11 9x3y17 2x6y 184 7m5b30 2y2x 184 -1m9b19 5a4b18 6x9y-6 a3b18 7x3y-6 x6y 179 0.3x0.4y3.9 5y x 179 0.7x0.7y0.7 9a2b11 9x8y17 5a8b7 9x y16 5x7y 138 6m6b1 5y9x 138 -6m6b30 7a9b5 9x6y-1 a3b18 9x4y3 6x8y 22 0.4x0.6y2.8 y3x 22 0.6x0.9y3.2 2a8b1 9x4y18 7a8b1 x y6 9x9

2、y 154 m7b7 8y x 154 -9m9b18 a5b18 5x5y7 8a9b18 6x4y-2 4x4y 104 0.5x0.5y3 y4x 104 0.7x0.5y1.9 3a3b16 7x6y17 5a b11 9x9y16 x8y 38 2m5b25 4y7x 38 -6m b22 2a2b9 6x5y1 7a6b17 7x9y-5 2x5y 128 0.2x0.9y0.1 7y9x 128 0.1x0.6y0.4 7a7b10 4x6y8 6a7b7 4x4y14 4x7y 148 8m4b23 9y4x 148 -6m2b27 6a5b4 x9y-2 3a b19 6x3

3、y-10 4x7y 193 0.7x0.6y2.5 9y x 193 0.3x0.6y1.7 6a5b20 x6y2 a b4 8x9y17 4x3y 30 4m9b0 4y5x 30 -9m4b0 4a4b16 7x9y7 2a4b17 2x2y-10 5x5y 192 0.1x0.2y1.8 7y2x 192 0.6x0.4y1.6 7a6b9 7x8y14 4a7b13 7x9y7 2x3y 81 3m2b19 8y9x 81 -9m3b5 8a4b12 8x3y3 5a9b2 6x5y-1 2x8y -4 0.2x0.1y2.6 6y4x -4 0.2x0.1y2.5 9a9b19 5x9y18 9a5b13 7x9y12 3x6y 195 m8b3 8y5x 195 -9m3b24 7a8b16 7x9y-7 a7b18 3x6y0 4x3y 73 0.2x0.7y3.5 2y7x 73 0.2x0.1y3.1 4a2b5 6x8y7 7a9b15 4x3y7 5x6y 141 6m4b6 y x 141 -8m9b18 2a9b14 7x2y9 4a2b5 2x6y6 5x y 30 0.9x0.6y2 3y4x 30 0.6x0.5y2.3