Mathematics
Senior High
矢印の部分に移行するのがよく分かりません。
3
²³² + + + 3 = (₁ + ² ) ² - 3 · 1 · ²1 ( ₁ + ² )
(t
t
t
t
=33-3・3=18
(2) ³+
2
( 1 − 1 ) ² = ²² - 2 + 1/ /
t
= ( 1²02 + + 7) = 1
1
4
= (₁ + 1 ) ² - 4 =
t
??
-4=3²-4=5
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