Question

TUDOR,RAZVAN SI COSTI AU IMPREUNA 197 DE TIMBRE.TUDOR SI RAZVAN AU IMPREUNA 125 DE TIMBRE,IAR RAZVAN SI COSTI 130 DE TIMBRE.CATE TIMBRE ARE FIECARE?

Answer 1

T+r+c=197 T+r=125 deci =>125+c=197=>c=197-125=>c=72 R+c=130 Dar c=72=>r+72=130=>r=130-72=>r=58 T+r=125 si r=58=>t+58=125=>t=125-58=>t=67 unde t=tudor, r=razvan si c=costi