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N
u
m
b
e
r
(
a
d
d
/
s
u
b
)
S
i
n
g
l
e
d
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d
d
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a
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b
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a
c
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A
d
d
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n
f
a
c
t
f
a
m
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l
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(
a
+
b
=
c
,
c
-
b
=
a
)
F
a
c
t
F
a
m
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l
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(
I
n
v
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s
t
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)
R
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b
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b
j
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c
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S
t
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a
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-
B
r
i
d
g
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o
1
0
(
s
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a
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d
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w
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)
S
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C
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(
s
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S
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N
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C
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1
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1
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1
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2
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A
d
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w
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p
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2
0
A
d
d
3
n
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m
b
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(
m
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x
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f
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g
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w
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d
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b
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)
I
W
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d
p
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b
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I
A
d
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1
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1
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s
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d
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1
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s
f
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Lesson
Practice
P
a
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s
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d
d
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I
I
I
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C
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p
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m
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a
k
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a
r
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t
n
u
m
b
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r
u
p
t
o
5
0
A
d
d
m
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s
s
i
n
g
e
l
e
m
e
n
t
s
t
o
m
a
k
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m
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w
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h
t
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s
u
p
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o
5
0
I
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q
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A
d
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3
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d
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)
I
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A
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1
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A
d
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3
n
u
m
b
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r
s
(
m
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x
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f
s
i
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g
l
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,
t
w
o
a
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d
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h
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d
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)
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India
Class III
Subtract multiples of 100's from three digit numbers
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