(x-3)²-(y+2)²=(x+y)(x-y)2x+y=2
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(x-3)²-(y+2)²=(x+y)(x-y)2x+y=2
(x-3)²-(y+2)²=(x+y)(x-y)
2x+y=2
(x-3)²-(y+2)²=(x+y)(x-y)2x+y=2
第一个化简为:6x+4y=5,然后再去求解救简单了
方程1化简为:6x+4y=5 (3)
方程2*3为:6x+3y=6 (4)
(3)-(4)=-1,即y=-1
将y=-1代入 (2) 得x=3/2