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varog pana la or 18 30 dau cotoana

Varog Pana La Or 18 30 Dau Cotoana class=

Răspuns :

Notam cu a numarul
(a+a+3xa)+25x2=175
5xa+50=175
5xa=175-50
5xa=125
a=125:5
a=25 (numarul )
verific 25+25+3x25=125
         125+25x2=175

Raspuns:25