Răspunsuri

2014-02-19T16:24:38+02:00
A,b-nr cautate
a-b=144
a:b=7 rest 18->a=7b+18
7b+18-b=144
6b=144-18
6b=126
b=21 
a=144+21=167
nu inteleg de unde apare acel 21
126 impartit la 6
multumesc