Question

Problema 148 prin metoda grafica

Answer 1

m /___/___/___/___/___/___/___/___/   125 kg

p /___/

125-(27+17)=125-44=81 kg ramase

81:9=9kg pere

m=8x9=72 kg mere

proba: (27+72)+(17+9)=99+26=125 kg

sau

m+p=81                m=8p

8p+p=81

9p=81     p=81:9  

pere=9kg

mere=8x9=72 kg