Răspunsuri

2014-02-19T18:40:49+02:00
A /---------/
b /---------/..1.
c /---------/...2..      suma 30
30-(1+2)=27 reprezinta 3 segmente egale
27:3=9 ⇒ a=9, b=10,c=11
  • Utilizator Brainly
2014-02-19T18:45:07+02:00
A.I____I
b.I____I1I
c.I____I1I1I
 30-3=27 ( suma partilor egale)
 27:3=9 (nr.a)
 27+1=28 (nr.b)
 27+2=29 (nr.c)
Verificare : 29+28+9=30