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Dianaid
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Efectuati: [1/3* (10-1/4)-3intregi si2/5] :(2-4/5)


Răspuns :

Renatemambouko
[1/3* (10-1/4)-3intregi si2/5] :(2-4/5)=
=(1/3* 39/4-14/5) :6/5=
=(13/4-14/5) ×5/6=
=(65-56)/20 ×5/6=
=9/20 ×5/6=
=3/4 ×1/2=
=3/8

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