m
.
c
.
m
.
(
6
,
9
)
=
____________________
m
.
c
.
m
.
(
16
,
20
)
=
____________________
m
.
c
.
m
.
(
30
,
50
)
=
____________________
m
.
c
.
m
.
(
8
,
10
)
=
____________________
m
.
c
.
m
.
(
12
,
15
)
=
____________________
m
.
c
.
m
.
(
18
,
12
)
=
____________________
