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F
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(
2
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3
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4
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5
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6
,
8
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1
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1
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A
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f
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(
2
,
3
,
4
,
6
,
8
,
1
0
,
1
2
,
1
0
0
)
C
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D
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F
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F
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f
Q
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s
(
s
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p
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n
-
u
n
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)
E
q
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w
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c
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s
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l
y
Practice
O
r
d
e
r
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n
g
F
r
a
c
t
i
o
n
s
N
u
m
b
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r
s
e
n
t
e
n
c
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s
w
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h
f
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t
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s
A
d
d
i
t
i
o
n
a
n
d
S
u
b
t
r
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c
t
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o
n
s
u
s
i
n
g
n
u
m
b
e
r
l
i
n
e
s
(
2
,
3
,
4
,
5
,
6
,
8
,
1
0
,
1
2
)
A
d
d
i
t
i
o
n
a
n
d
S
u
b
t
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c
t
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n
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s
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g
m
o
d
e
l
s
(
2
,
3
,
4
,
5
,
6
,
8
,
1
0
,
1
2
)
A
d
d
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n
g
a
n
d
S
u
b
t
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a
c
t
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f
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s
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a
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d
d
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a
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s
)
C
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m
p
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a
d
d
/
s
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a
t
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m
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w
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f
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T
y
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F
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S
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F
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M
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d
q
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f
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(
c
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m
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M
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Q
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F
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Stage 2
Ordering fractions with benchmarks only
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