—notatii—
r — numarul rațelor
g — numarul gâștelor
Metoda I ( metoda figurativa sau grafica )
r / --- /
g / --- / --- / --- / --- / --- / --- / --- / --- / --- / --- /
1 + 10 = 11 ( segmente egale )
∅ Rezolvare :
110 : 11 = 10 ( reprezinta un segment , numărul ratelor )
10 · 10 = 100 ( numărul gâștelor )
∅ Răspuns : r — 10 ; g — 100 .