{X֋

kP
kˉw
`
ˍZ

(R`)

kQ
kˉw
`
ÃZ^[

(Ra)

kR
kˉw
`ˍZ`
ÃZ^[

(R`)

PQ
ˉw
`kˉw`
ˍZ

(R)

PR
ˉw
`kˉwEˍZ`
ÃZ^[

(R)