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Răspuns :

Răspuns:

Explicație pas cu pas:

a = 1/2· (2/3)²· (3/4)³·(4/5)⁴· m   ; m ∈ N*

a ∈ N

a = [(1·2²·3³·4⁴):(2·3²·4³·5⁴)]· m

a = [(2²⁻¹·3³⁻²·4⁴⁻³): 5⁴]·m

a = (2·3·4:625)·m

a = (24/625)·m =>

m = 625  => a = 24