Mathematics
Junior High
計算の仕方わかりませんなんで2枚目の答えになるんですか。
1)
:) 2a-4-(3a-3)
(4) 2a-4-(3a-3)
© 20-1-a+3
-20-30-4+3
2
tea
5
-za-
a-1
Answers
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