Mathematics
Junior High
Solved
この時期なのですが、両辺にaを掛ける方法では解けませんかね?なぜ出来ないのか教えてください🙇♀️
(a - 2)
18
10
a
両辺に金を掛ける
(a) - 2a) x 18
= 190
180°
= 10a
1.80
= 10a +36 a
18 a²
46a
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