Ck-135
例：
–2
2
= –4 1
E
2
3
“2”
DA
4
(–2)
2
= 4 1
E
2
3
“2”
DA
4
6
例：
1 ÷ 2
P
= 1.570796327
(
P
)
1 ÷ (2
P
) = 0.1591549431
(
P
)
W
