Mathematics
Senior High
解き方の方針がわかりません。教えてください😭
3V5の整数部分をx、小数部分をy、X-y=zとするとき、
(x+y+z}^2-(y+z-x}2+(z+x-y)^2-(z-y-x)^2を求めよ。
※2は2乗を意味する。
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