二元一次方程组专项练习题52.docx

1、二元一次方程组专项练习题52 4a3b14 9x3y9 6a4b6 x y13 5x7y 194 8m4b13 2y4x 194 -4m6b29 5a7b7 7x6y0 7a2b13 4x8y5 9x8y 23 0.4x0.9y0.1 y4x 23 0.8x0.4y3.4 6a3b16 x3y13 3a4b19 6x4y10 6x y 184 5m9b5 2y8x 184 -2m5b30 3a7b9 9x4y1 2a8b19 8x y-7 3x5y 178 0.5x0.5y1.3 5y8x 178 0.2x0.3y2.8 3a2b1 3x y2 5a6b12 8x3y5 2x6y 183 m4

2、b20 4y6x 183 -7m5b7 8a b5 x6y2 5a b8 6x4y-9 8x9y 110 0.1x0.7y3.2 6y x 110 0.9x0.4y0.5 9a7b5 8x2y3 6a9b20 x5y18 6x7y 130 7m5b4 y6x 130 -3m4b11 8a3b3 4x y-9 7a8b2 8x8y9 4x8y 123 0.1x0.6y2.4 3y9x 123 0.5x0.1y2.3 4a4b20 8x8y20 3a4b1 8x5y16 2x y 169 8m5b29 2y8x 169 -9m5b15 8a3b17 6x2y-5 4a b10 3x2y4 4x5y

3、 160 0.4x0.6y2.3 5y6x 160 0.5x0.5y1 3a4b13 8x2y20 3a5b8 x3y12 4x7y 137 9m b3 7y3x 137 -10m b2 7a6b8 2x6y10 4a5b12 9x6y-2 3x2y 109 0.6x0.2y2.6 4y9x 109 0.1x0.4y3.7 4a6b17 5x7y19 4a9b4 5x3y16 9x9y 86 9m b15 8y4x 86 -4m8b5 8a4b6 8x y-9 3a9b16 9x5y-1 7x7y 124 0.7x0.9y0.6 y3x 124 0.9x0.4y2.4 6a6b11 x4y14

4、 4a2b7 6x6y19 7x2y 138 7m9b26 4y8x 138 -3m b13 3a2b4 x8y0 9a4b13 4x7y7 9x5y 6 0.4x0.5y0.1 y7x 6 0.8x0.3y1.3 6a2b3 2x5y10 8a9b8 9x9y8 6x8y 8 7m7b26 9y x 8 -6m5b9 5a7b12 7x5y5 7a b4 4x y4 5x9y 126 0.6x0.6y2.2 5y5x 126 0.1x0.9y1.7 4a3b4 x9y18 9a b3 4x y8 3x3y 114 4m2b23 5y x 114 -1m9b15 5a9b8 8x3y4 3a4

5、b15 4x6y8 8x9y 75 0.2x0.4y1.9 9y3x 75 0.2x0.5y3.8 7a9b13 5x2y16 8a3b18 2x3y1 4x y 117 6m6b28 6y2x 117 -5m b19 4a6b8 6x7y-9 2a2b14 6x8y5 6x4y 64 0.8x0.9y2.6 8y4x 64 0.2x0.6y3.4 8a3b20 5x5y19 2a7b8 9x5y11 x7y 178 8m3b22 9y7x 178 -10m3b8 3a9b4 7x5y-4 3a3b20 2x6y-9 3x7y 112 0.4x0.9y3.1 3y x 112 0.6x0.7y

6、0.5 6a7b3 9x7y7 4a8b8 9x7y12 x y 97 8m6b23 9y7x 97 -4m5b1 4a6b20 x5y4 3a3b17 4x3y4 x7y 178 0.2x0.9y0.3 4y x 178 0.2x0.1y2.6 a5b9 7x8y5 8a6b16 3x3y16 x4y 128 4m8b6 y8x 128 -7m7b26 6a7b3 9x7y3 6a6b12 6x9y8 3x3y 177 0.4x0.9y0.1 3y2x 177 0.7x0.5y0.6 2a6b11 7x9y16 7a7b11 7x5y15 7x9y 61 7m4b17 8y3x 61 -10m3b27 4a4b15 x7y-2 a4b6 x y10 6x2y 7 0.7x0.2y1 4y2x 7 0.9x0.4y3.9