Răspunsuri

  • Utilizator Brainly
2014-02-26T16:24:03+02:00
A.I____I
b.I____I____I____I
c.I____I____I
 Suma este 660.
 660:6=110 ( a )
 110x3=330 ( b )
 110x2=220 ( c )
 Verificare : 110+330+220=660
1 5 1
2014-02-26T16:48:40+02:00
A+b+c=660
c=2a
b=3a
a+b+c=660
a+3a+2a=660
6a=660
a=660:6
a=110
b=3a
b=330
c=2a
c=220