Question

Aflati trei numere consecutive a caror suma este 18 .

Answer 1

a |-----|
b |-----|1|
c |-----|1|1|   } 18

18 - 3 = 15 ( 3 segmente egale)
15 : 3 = 5 (a)
5 +1 = 6 (b)
5 +1+1 = 7 ( c)
Verificare : 5 +6 +7 = 18 ( a+b+c).

Answer 2

a  |........|
b  |........|1|
c  |........|1|1|      } 18

18 -3=15   ( segmente ramasa in total)
15:3(segmente)=5(un segment)
a=5
b=5+1=6
c=5+2=7                                                   R:a=5;  B=6; C=7