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N
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B
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N
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C
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N
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P
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C
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I
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N
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w
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5
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P
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C
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p
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t
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C
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p
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1
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R
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t
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M
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N
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w
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N
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C
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N
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s
,
w
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s
y
m
b
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(
9
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t
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9
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)
N
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s
,
w
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d
s
y
m
b
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(
m
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O
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P
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C
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R
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d
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b
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(
t
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1
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)
R
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d
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a
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n
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b
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s
Lesson
Practice
L
e
a
d
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d
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t
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s
t
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m
a
t
i
o
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P
u
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l
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s
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p
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f
n
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b
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t
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m
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l
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(
I
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v
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g
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t
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n
)
N
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m
b
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s
,
w
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r
d
s
a
n
d
s
y
m
b
o
l
s
(
i
n
b
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l
l
i
o
n
s
)
O
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d
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n
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m
b
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s
(
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b
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l
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n
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)
P
a
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t
i
t
i
o
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n
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m
b
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s
(
b
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l
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s
)
C
o
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s
t
r
u
c
t
n
u
m
b
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r
s
(
b
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l
l
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n
s
)
E
x
p
a
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d
e
d
n
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a
t
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n
a
s
p
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w
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s
o
f
1
0
C
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m
p
a
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e
n
u
m
b
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s
(
b
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l
l
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n
s
)
E
s
t
i
m
a
t
i
n
g
O
b
j
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c
t
s
(
I
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v
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t
i
g
a
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o
n
)
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Primary
Round large numbers
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