Mathematics
Senior High
Solved
⑵番がわからないので教えてください
H
42 右の図で, AD:DB=2:1, AF:FC = 3:4のとき,
次の比を求めよ。
(1) AOAB: AOBC
2 BC
8
(12
△AB: OBC=3:44
(2) AOAC: AOBC
(2)○○AC=OBC
D
0
N8BE
1
4
F
15
こ
X
C
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