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Scrieti suma nr zecimale 2,6 si 3,4 sub forma de fractie ordinara ireductibibil.

Răspuns :

2.6=26/10=13/5
3,4=14/10=7/5
2.6+3.4=13/5+7/5= 20/5=4
2,6+3,4 = 26/10+34/10 = 13/5+17/5 = 6