Question

cáucule os fatores ?


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Answer 1

Resposta:

$x = \frac{6!}{2!(6-2)!}\\ x = \frac{6!}{2!.4!}\\ x = \frac{6.5.4!}{2!.4!}\\ x = \frac{6.5}{2!}\\x = \frac{30}{2} \\x = 15$