7!-5!•3!
(7•6•5•4•3•2•1)-(5•4•3•2•1)•(3•2•1)
(5.040)-(120)•(6)
5.040-720 = 4.320
Resposta: c) 4.320
7!-5!.3!= 7!-5.4.3!.3!= 7!-20.36= 7!-720= 7.6.5.4.3.2!-720= 5040-720= 4320
c) 4320
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7!-5!•3!
(7•6•5•4•3•2•1)-(5•4•3•2•1)•(3•2•1)
(5.040)-(120)•(6)
5.040-720 = 4.320
Resposta: c) 4.320
7!-5!.3!= 7!-5.4.3!.3!= 7!-20.36= 7!-720= 7.6.5.4.3.2!-720= 5040-720= 4320
c) 4320