Question

Exercițiul 10 cel mai bun primește Coronița!

Answer 1

1)E+V=D=217 cuburi
E+V=158 ⇔ D=217-158 ⇔ D=59 cuburi
V+D=144 ⇔ E=217-144 ⇔ E= 73 cuburi
V=217-59-73⇔ V=85 cuburi

2) E+V+D=217 cuburi
E+V=158 ⇔ D=217-158 ⇔ D=59 cuburi
V+D=144  ⇔ V=144-59 ⇔ V= 85 cuburi
E+V=158 ⇔ E=158-85 ⇔ E= 73 cuburi