Question

o valor de C5,3 + A4,2 - P3 é?

Answer 1

E=c5,3+ a4,2

C5,3=5!/3!(5-3)!

=51/3!2!

=5.4.3.2.1/3.2.2.1

=120/12

=10

A4,2=4!/(4-2)!

=4!/2!

=4.3.2.1./2.1

=12

E=10+12

E=22