Mathematics
Senior High
Resolved
11(2)、(3)は正解かどうか教えてほしいです
あと、(5)は何故この解き方ではダメなのかも教えてほしいです
A
TEL
B4
(DE
し
1
(2)BC=BO+Oc=
レー
F+ b
(2) RE = BOT OF² = Fob
(2)PF=
(4) CF
FD = FI≤ + IED = F +1
Fc + (1) =
b² +²
D
0
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