用图象法解下列方程组.(1){2x+3y=5,3x-y=2 (2){2x-y=3,3x+2y=8

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用图象法解下列方程组.(1){2x+3y=5,3x-y=2(2){2x-y=3,3x+2y=8用图象法解下列方程组.(1){2x+3y=5,3x-y=2(2){2x-y=3,3x+2y=8用图象法解下

用图象法解下列方程组.(1){2x+3y=5,3x-y=2 (2){2x-y=3,3x+2y=8
用图象法解下列方程组.(1){2x+3y=5,3x-y=2 (2){2x-y=3,3x+2y=8

用图象法解下列方程组.(1){2x+3y=5,3x-y=2 (2){2x-y=3,3x+2y=8
敢要求用图象法,xy必然是整数(顶多带0.5)
在X-Y坐标图上找直线与轴的交点,连接得直线图形;两条直线相交点极为所求
图像法很多时候用来作分类讨论时给出限定条件,或者猜测大概的答案范围,填空选择时也会直接图像求解

(1)x=1,y=1.(2)x=2,y=1