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2014-10-18T19:44:12+03:00
1 nr = x
2 nr= x; 2 nr=1 nr
3 nr = 2x
x+x+2x=72
4x=72
x=72/4
x=18 ( 1 nr si 2 nr)
2x= 18*2=36 (3 nr)
Verificare: 18+18+36=72
Raspuns: 1 nr- 18; 2 nr-18; 3 nr-36
4 4 4