Question

Calcule:
A)Y=5P3+P2
B)Y=3P4-2A5,2

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Answer 1

A)

P3=3!=3.2.1=6

P2=2!=2.1=2

5.3!+2!

5.6+2

32

B)

P4=4!=4.3.2.1

A5=5!/(5-2)!=5!/3!=5.4=20

3.4!-2.5.4

72-40

32

Vlw. (Clica aí em obrigado ;P)