[tex]Folosim.metoda.figurativa.reprezentand.cate.nuci.are.fiecare. \\ dupa.ce.al.doilea.frate(cel.mare).ii.da.primului(celui.mic).15.nuci \\ \\ mic-/....../ \\ mare./....../....../ =\ \textgreater \ total.1200.nuci \\ -\ \textgreater \ 1200.nuci.reprezinta.suma.a.3.segmente.egale: \\ 1200:3=400(cel.mic) \\ 2*400=800(cel.mare) \\ Cel.mic.a.primit.15.nuci=\ \textgreater \ a.avut.400-15=385(nuci) \\ Cel.mare.a.dat.15.nuci=\ \textgreater \ a.avut.800+15=815(nuci) \\ Verificare:385+815=1200(nuci)[/tex]
