Mathematics
Junior High
Resolved
答えが2なんですけど4にしかなりません泣
解き方教えてください!
(9) 等式S=.
4c°
をbについて解きなさい。
ab
4ac
< b- 4c9
aS
1
as
3 b=
4c
b=3
S
4 b=
4ac
S
b=
リフリ
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