Mathematics
Senior High
マーカー部分ってどのように出しているんですか?💦
20
練習
17
平行六面体 ABCD-EFGHにおいて, 4つの対角線 AG, BH, CE,
DFの中点は一致することを証明せよ。
D
B
A
G
2
6
F
A B = Ã₁ AE = e¹₁ AD = a en's.
練P/
AS
I
2
(
AG. BHICE, DFa dame Gran PcQ . R. Sth' =
A² = ± A6 = = (a + 2+ 2)
AB - AH
ÃO
2
AR
1
ACAE
2
ADAP
ģ
G
= + (x+²)
= = (a + d^e²)
=
1/
(a + d + 2)
AP AQ AR AS 2llb^2
:
f
AG. BH.CE, DE PE 12-EXPho
て
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