二元一次方程组专项练习题110.docx

1、二元一次方程组专项练习题110 9a8b5 8x4y1 5a4b13 x6y17 3x5y 67 5m3b8 9y5x 67 -9m4b8 8a8b14 2x7y2 9a7b8 3x y-6 8x2y 29 0.1x0.5y1.2 2y x 29 0.4x0.7y1.3 3a6b19 4x2y5 7a4b11 9x8y7 3x5y 147 m9b26 y5x 147 -1m9b14 4a4b18 4x2y-9 3a b15 x6y4 9x2y 81 0.3x0.8y3.4 9y2x 81 0.3x0.9y3.3 5a b17 5x9y4 9a2b17 9x6y7 4x2y 69 8m b24

2、4y5x 69 -10m7b24 3a3b10 3x4y-9 2a2b8 2x7y-8 6x9y 186 0.3x0.4y1.6 6y x 186 0.8x0.4y1 4a7b14 7x2y15 3a2b20 x y14 7x y 84 7m6b19 3y x 84 -1m8b9 8a2b20 8x4y-1 4a b11 7x9y-8 7x2y -8 0.7x0.2y2.1 5y x -8 0.2x0.3y1.2 5a2b7 2x4y16 7a8b17 4x6y1 4x7y 160 9m3b17 8y7x 160 -8m8b22 5a6b6 8x6y-8 5a6b1 8x4y4 8x7y 82

3、 0.9x0.6y1.2 9y6x 82 0.6x0.5y1.8 9a8b12 8x7y9 3a5b6 4x6y2 5x2y 126 2m2b20 7y5x 126 -4m9b7 a3b1 5x2y4 8a3b12 6x y-4 4x2y 44 0.9x0.9y3.5 7y8x 44 0.4x0.1y2.3 5a2b12 4x y4 a7b16 4x5y17 5x7y 37 9m8b22 y7x 37 -1m2b14 5a7b19 2x3y3 5a7b7 3x8y4 4x8y 35 0.5x0.2y2.8 y9x 35 0.5x0.8y2.2 2a8b19 3x9y9 5a2b19 2x2y2

4、 x3y 137 5m b3 5y9x 137 -10m6b12 8a6b16 3x3y-10 8a9b5 6x8y7 9x3y 27 0.3x0.5y0.3 2y x 27 0.8x0.8y4 3a5b12 4x2y11 8a7b19 7x8y18 6x7y -6 8m7b1 7y7x -6 -6m b3 2a8b17 8x4y-3 6a4b17 4x5y9 6x y 59 0.4x0.7y1.3 y6x 59 0.3x0.7y1.4 9a8b6 5x3y9 8a b4 8x2y20 3x6y 138 6m2b28 y6x 138 -7m7b8 7a2b7 7x5y-1 7a6b7 2x2y

5、-4 9x3y 65 0.4x0.2y2.5 4y x 65 0.6x0.8y1.6 2a4b18 4x8y3 4a4b2 3x4y3 x2y 104 8m5b25 7y5x 104 -9m5b15 4a8b13 8x3y-6 5a2b15 5x9y-8 2x5y 112 0.5x0.5y1.8 7y3x 112 0.2x0.9y1.3 7a4b14 5x6y20 6a7b12 6x8y11 4x4y 192 9m4b10 7y4x 192 -4m9b15 2a3b2 x6y5 4a b4 9x9y8 6x3y 17 0.3x0.6y1.3 6y2x 17 0.9x0.2y1.9 9a6b1

6、3x9y3 a4b18 7x9y1 4x5y 121 2m4b24 4y x 121 -6m6b24 8a3b13 8x9y9 6a7b15 9x7y-4 x4y 70 0.3x0.8y1.9 3y4x 70 0.2x0.4y2.7 4a5b13 x9y10 a4b19 x3y14 7x7y 56 8m4b17 2y5x 56 -10m9b4 6a6b14 7x8y5 7a b8 9x9y-4 2x3y 72 0.6x0.9y3.6 4y3x 72 0.4x0.2y2.1 9a8b11 3x9y3 a6b19 4x4y10 9x2y 144 3m7b23 8y5x 144 -4m4b16 8a3b2 4x4y6 8a2b12 2x3y10 3x2y -8 0.2x0.7y1.9 2y7x -8 0.9x0.5y3.4