Mathematics
Senior High
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(8)の問題をどのように解くのか教えてください🙇♀️
(6) 2020× 2021
6
= (2021-2019)×2020
= 4040+16160
= 20200
8 1
15
5
難(8)
1
1-
1
1+
2
Answers
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やっと理解出来ました！
丁寧にありがとうございます😊