Mathematics
Junior High
Resolved
この解答の4行目の始めの部分がよく分かりません。何故、3の3乗になるんでしょうか?
6
3°×()×(3)-3°-33
3
1
=D3°××3×3×寄133
3°
3°×3°
-33
3°×3°
三
=3°-33=27-33=-6
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理解出来ました!
ありがとうございます!!!