Question

Me ajudem por favor! fatorial: 4!7!/9!3!?

Answer 1

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${\large \frac{4!7!}{9!3!} = \frac{4.3!7!}{9.8.7!3!} = \frac{1}{18} }$

cancela 7 com 7
3 com 3
4 /8=2