Question

a+b+c=30.a,b,c sunt nr consecutive pare..cu segmente

Answer 1

a  I--I
b  I--I+2
c  I--I+4      }30
egalam segmentele
30-2-4 = 28-4 = 24
aflam nr. a
24:3 = 8
aflam nr. b 
8+2 = 10
aflam nr. c
8+4 = 12
V: 8+10+12 = 18+12 = 30

Answer 2

a /---8----/                     ]                     a=8   b=10   c=12
b /----8---/..2../              ]   30
c /----8---/..2../..2../       ]

3/-------/=30-2-2-2=30-6=24
1/------/=24:3=8