Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
If
A
=
{
a
,
b
,
c
}
A = \{a, b, c\}
A
=
{
a
,
b
,
c
}
,
B
=
{
b
,
c
,
d
}
B = \{b, c, d\}
B
=
{
b
,
c
,
d
}
and
C
=
{
a
,
d
,
c
}
C = \{a, d, c\}
C
=
{
a
,
d
,
c
}
, then
(
A
−
B
)
×
(
B
∩
C
)
=
(A - B) \times (B \cap C) =
(
A
−
B
)
×
(
B
∩
C
)
=
(a)
{
(
a
,
c
)
,
(
a
,
d
)
}
\{(a, c), (a, d)\}
{(
a
,
c
)
,
(
a
,
d
)}
(b)
{
(
a
,
b
)
,
(
c
,
d
)
}
\{(a, b), (c, d)\}
{(
a
,
b
)
,
(
c
,
d
)}
(c)
{
(
c
,
a
)
,
(
d
,
a
)
}
\{(c, a), (d, a)\}
{(
c
,
a
)
,
(
d
,
a
)}
(d)
{
(
a
,
c
)
,
(
a
,
d
)
,
(
b
,
d
)
}
\{(a, c), (a, d), (b, d)\}
{(
a
,
c
)
,
(
a
,
d
)
,
(
b
,
d
)}
Browse the problem library