Răspunsuri

2014-02-19T14:32:36+02:00
I-Irina
R-radu
M-Marian
I+R+M=750
I=30+R
M=4R
Inlocuim:
30+R+R+4R=750
6R=750-30
6R=720
R=120 timbre
I=30+120=150
M=4*120=480
Verificare: 120+150+480=750
24 3 24
  • Utilizator Brainly
2014-02-19T14:36:32+02:00
I.  I____I30I
R.I____I
M.I____I____I____I____I
Suma este 750 deci aflam suma partilor egale :
 750-30=720 
Acum il aflam pe R.
 720:6=120 (Radu)
 120+30=150 (Irina)
 120x4=480 (Marius)
 Verificare : 480+150+120=750
71 4 71