(X+Y-3)方乘(X-Y+5)方=0那么得多少X方-Y方得多少
更新时间：2026-09-30 21:00:06
问题描述:
(X+Y-3)方乘(X-Y+5)方=0那么得多少
X方-Y方得多少
邱建新回答:
(X+Y-3)方乘(X-Y+5)方=0 (X+Y-3)方=0 (X-Y+5)方=0 X+Y=3 X-Y=-5 2x=-2 x=-1 y=3-x=3-(-1)=4
(X+Y-3)方乘(X-Y+5)方=0那么得多少
X方-Y方得多少
(X+Y-3)方乘(X-Y+5)方=0 (X+Y-3)方=0 (X-Y+5)方=0 X+Y=3 X-Y=-5 2x=-2 x=-1 y=3-x=3-(-1)=4