Răspunsuri

2014-10-23T14:31:32+03:00
(125-100) + 25 = a : 2
25 + 25 = a : 2
50 = a : 2
a = 50 * 2
a = 100
2014-10-23T14:31:34+03:00
Calculez diferenta nr 125 si 100
125-100=25
25+25=50 (nr cu 25 mai mare decat dif nr 125 si 100)- jumatatea nr
2*50=100 - numarul cautat