-4-
−
T
U
V
W
Z
!
"
#
$−− 3
b”
3
T2T3Z
2+3= 5
U7U4Z
7
N
4= 3
V2V4Z
2
Q
4= 8
W6W3Z
6
P
3= 2 r 0
# ###
2+3= 5
7
N
4= 3
$$
7
N
4= 3
2
Q
4= 8
! "!!!4""2Z
74
N
42= 32
T
#
#
b”3
T1T1Z
1+1= 2
1T2Z
1+2= 3
1T3Z
1+3= 4
1T4Z
1+4= 5
# ###
1+1= 2
1+2= 3
$$
1+2= 3
1+3= 4
$
1+3= 4
1+4= 5
”
w
b”
3
6T33
6+33
”” 3
6T1Z
6+1= 7
”
w
(continued)
6T21
6+21
wwZ
6+2= 8
7T3!!w6Z
6+3= 9
6U5wwT4Z
6+4= 10
W
‡
b”
3
W9W4Z
9
P
4 2 r 1
‡"® ÙP
QR
Ù
P
ê
”ÙP
9
P
4= 2 r 1
9W4ZÙP
9
P
4= 2.25
r
‡
b”
3
r6r3T2r4Z
6.3+2.4= 8.7
4r2V3r1Z
4.2
Q
3.1=
13.02
‡"®ÙP
QR
Ù
P
ê
96r3W2r52ZÙP
96.3
P
2.52=
38.21428571
M
b”
3
M5TM2Z
5+ -2= 3
5UM2Z
5
N
-2= 7
4VM2Z
4
Q
-2= -8