Book a Demo
Topics
N
u
m
b
e
r
(
a
d
d
/
s
u
b
)
S
i
n
g
l
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d
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a
d
d
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a
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d
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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
i
l
i
e
s
(
a
+
b
=
c
,
c
-
b
=
a
)
F
a
c
t
F
a
m
i
l
i
e
s
(
I
n
v
e
s
t
i
g
a
t
i
o
n
)
R
e
p
r
e
s
e
n
t
a
t
i
o
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o
f
a
d
d
/
s
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b
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s
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g
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b
j
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c
t
s
S
t
r
a
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g
y
-
B
r
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d
g
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o
1
0
(
s
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g
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a
n
d
t
w
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d
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g
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)
S
t
r
a
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-
C
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p
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s
a
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(
s
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a
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d
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w
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d
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)
S
t
r
a
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g
y
-
N
u
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b
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l
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(
s
i
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g
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a
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d
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w
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d
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)
U
s
e
s
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a
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g
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a
d
d
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s
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b
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c
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w
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d
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g
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n
u
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b
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W
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1
0
0
C
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c
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d
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s
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c
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A
d
d
m
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p
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f
1
0
'
s
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g
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d
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A
d
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p
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s
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f
1
0
'
s
t
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w
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d
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g
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S
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p
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s
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f
1
0
'
s
f
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P
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n
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p
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2
0
A
d
d
m
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g
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m
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w
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l
s
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p
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o
2
0
A
d
d
3
n
u
m
b
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s
(
m
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x
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f
s
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g
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w
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d
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I
W
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b
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I
A
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f
1
0
0
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s
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d
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b
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A
d
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p
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f
1
0
0
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s
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w
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d
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S
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c
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1
0
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s
f
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m
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n
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b
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u
p
t
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5
0
A
d
d
m
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s
i
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g
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l
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m
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s
t
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m
a
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m
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w
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t
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s
u
p
t
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5
0
Lesson
Practice
I
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q
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w
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d
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m
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s
A
d
d
3
n
u
m
b
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(
m
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r
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w
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d
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g
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b
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)
I
I
A
d
d
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d
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b
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c
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d
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A
d
d
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d
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b
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I
I
A
d
d
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d
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b
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c
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f
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d
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g
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b
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I
A
d
d
a
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d
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b
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f
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W
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o
1
0
0
A
d
d
3
n
u
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b
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s
(
m
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,
t
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d
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)
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M
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(
I
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)
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Book a Demo
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Primary
Add missing elements to make a statement true with totals up to 50
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