n
u
m
e
r
a
t
o
r
1
d
e
n
o
m
i
n
a
t
o
r
1
0
m
u
l
t
i
p
l
i
e
r
2
1
1
0
×
2
2
=
1
×
2
1
0
×
2
=
2
2
0