 G
 !"
#$%


µ
µ µ
µ
   
+ + + =

!"#$%&'()!*






D
A
E
B
65
0
x
c)




N

b)
 G





Q
P
N
M
b)
4x
3x
2x
x




C
B
D
A
a)
x
100
0
78
0

0
 G
N
M
K
I
x
d)
107
0
61
0




Q
R
S
P
a)
x
x
100
0
68
0




3
 G
AAAAAAAAAAAAAAAAAA
1 * &
B!01*
B!-5C01*
.!D*
B! B!-5C
EF1 ?@
+!"#$%&'()!':*
B
C
A
D
a)
y
x
40
0
80
0
A
B
C
D
b)
y
x
70
0

D
C
A
B
C
D
b)
y
x
75
0
56
0
B
C
A
D
a)
y
x
42
0
86
0







.!D*
01!J
µ
µ
  
 = 


⇔

= =


:9K!J*
EH0L*
/DMLN5*
EH0L *
/DMLN5*
+8O5PK5N5Q:!J*



6
 G

EF1 ?@
01!J/R8
N
M
D

9!J
$
N
M
C
B
A







GJ/801
!J-1/R/8

7
 G
N
M
C
B
A









:$H0L *




!&S%!
C
B
A
I
K
x
10cm
8cm
8cm
50
0
50
0
C
B
A
I
K
x
11cm
15cm
15cm


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


/D! -1MLN5
+!"#$%&'()!*
H
B
C
D
A
E
x
32m
24m
10
 G
x
20cm
16cm
H
B
C
D
A
E
N
Q
P

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
11
 G
K
F
E
D
C
B
A


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

>9&
x
26
30
R
K
P
H
N
M
y
x
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

x
16cm
8cm






12
 G


\9&=(U:WX?B
F
H
G
E
D
C
B
A
y
x
30 cm
24cm





K
F
E
D
C
B
A








 

13
 G
TRT=^R^
R;=R>9W^=TX=^T
K
I
F
E
D
C
B
A
