Mathematics
Junior High
Resolved
何故10を掛けないのか教えてほしいです。
(同類項をまとめる問題です)
(5) 0.3a+1.86+0.8a-0.56
=0.3a+0.8a+1.86-0.56
=(0.3+0.8)a+(1.8-0.5)b
=1.1a+1.3b
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![中学3年2次方程式の問題です。
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ありがとうございました🙇♀️