Mathematics
Senior High
Resolved
なぜ(2)、(3)はこの書き方ではダメなのか教えてほしいです
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下の図のà, について,a+b, a-をそれぞれ図
(2)
(3)
(4)
a
b
a+b
aA
→
b
C
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ありがとうございます🙏✨(2)のa-bの矢印の向きは逆ってことですかね、?