Răspunsuri

  • Utilizator Brainly
2014-10-05T12:28:55+03:00
Alexandra  I______I______I+200
Andreea     I______I+200
Adi             I______I


Suma este 1600 .
1600-400=1200 ( suma partilor egale )
1200:4=300 ( Adi )
300+200=500 ( Andreea )
300x2+200=800 ( Alexandra )

Verificare : 800+500+300=1600
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2014-10-05T13:23:12+03:00
REZOLVARE
1- egalam marimile
1600lei -(2*200)= 1200 lei
2- 4 parti egale  ----------1200 lei
 de unde  1 parte  --------- 1200 lei/4=300 lei
3- ADI = 300 LEI
4- ANDREEA = 300+200=500 LEI
5- ALEXANDRA= 300+500= 800 LEI
proba   300+500+800= 1600 lei
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