Mathematics
Junior High
Resolved
(1)何度やっても分からないので教えてください🙏🏻
HEID
24
2
x=√5+3、y=√5-3のとき、次の式の値を求めなさい。
□(1) 22xy+y2
(2)xy-y²
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代入ですとこんな感じです♪