Mathematics
Junior High
Resolved
この3つの問題の答えはこれで合ってますか？
問次の計算をしなさい。
(1) 2a(7b-4)
14ab-8a
=
(2) (8a²-4ab)÷4x
= (8^² - tab) x
= 2a²ª - Ak
ab
x
x
1
42
(3) (2a²-3a)÷—-—a
= (2a²-3a) x =//
= 100-15
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