Formula Do Arranjo

Calculate with the configuration formula:? 3

aA8.3 =

bA5.4 =

cA6.6 =

dA7.4 =

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A8.3 = 8! / 3! = 8.7.6.5! / 5! = 336

A5.4 = 5! / 4! = 5.4.3.2.1! / 1! = 120

A6.6 = 1

A7.4 = 7.6.5.4.3! / 3! = 840

aA8.3 =

8! / (8 3)! =

8x7x6x5! / 5! = Make it easy 5! With 5! live in

8x7x6 = 336

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Formula Do Arranjo