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Efectueaza in doua moduri: 5×(5+2)

Răspuns :

Primul mod: 5x(5+2)= 5x7=35
Al doilea mod: 5x(5+2)= 5x5+5x2=25+10=35
5x(5+2)
Solutia 1
5x7=35
Solutia 2
5x5+2x5=25+10=35