Calcule
A)4!+5!/4!
B)6!/8!
C)8!/6!+5!
D)0!/2!+6!/5!
E)6!-5!/5!+0!
Soluções para a tarefa
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A) 4!+5! = 4! + 4! = 2.4! ==> 2
4! 4! 41
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B) 6! = 6! = 1
8! 8.7.6! 56
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C) 8! + 5! = 8.7.6! + 5! ==. 56 + 120 ==> 176
6! 6!
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D) 0! + 6! = 1 + 6.5! = 1 + 6 ==. 1+12 ==. 13
2! 5! 2 5! 2 2 2
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E) 6!-5! + 0! = 6.5! - 5! + 1 ==> 5!( 6-1) + 1 ==. 5+1 ==> 6
5! 5! 5!
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