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(3)
(1)
<面積比 v.s.辺長比>
x=7=4=(9-4)
Z
=4:5
Y
181
16
xyz=235
No.
Date
x = y=4=(25-4)
=
4:21
y
x=4=Z
· 2 · (√4-2) (119-√14)
=
Z
5
1=(4-1)=(16-4)
= 1 = 3 = 12
x=y=Z=
X
y
(4)
K+
(5)
(6)
(B)
Z
NJ
D
x=y=Z
=
1:8:27
X
y
Z
4
21
X÷Y = √4 = √25
=2:5
X=4=3 = (43) = 31
+
1b