Mathematics
Junior High
Resolved
なぜ黒丸のようになるのですか?
3a-2b
5
3a-2b
5
-
(a-b)
5a-b)
5
(3a-2b)-5(a-b)
5
3a-2b-5a+5b
5
-2a+3b
5
(-—-—1/3a² + 3/3b)
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