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Găsește 2 metode de rezolvare: 72000:5+72000:10+72000:15

Răspuns :

prima faci calculele normal
a ll-a 72000:(5+10+15)=72000:30=2400
72000:5+72000:10+72000:15=
14.400+7.200+4800=
26.400

72000:5+72000:10+72000:15=
72.000x(1/5+1/10+1/15)=
Aducem la același numitor
72.000x(6/30+3/30+2/30)=
72.000x11/30=
2.400x11=
26.400