Mathematics
Senior High
（3）と（4）教えてください💦
180
x=
2
√√√3+1' 3 = √√√3-1
(1)x+y
(3)x2+y2
のとき,次の式の値を求めよ。
(2)xy
y
y
x
Answers
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（3）と（4）教えてください💦
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(1)と(2)を利用する解き方なら