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rezolva in doua metode :72000:5+72000:10+72000:15 =?

Răspuns :

Alexandrastaicu93

Metoda 1: 72000:5+72000:10+72000:15=14400+7200+4800=26400(doar am facut calculele)

Metoda2: 72000:5+72000:10+72000:15=72000*(1/5+1/10+1/15)=72000*(6/30+3/30+2/30)=72000*11/30=(72000:30)*11=2400*11=26400(am dat factor comun)


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