1.sora:7+57=64 de ani
frate:15+57=72 de ani
"eu":57
2.600x[tex] \frac{5}{8} [/tex]=375m prima zi
600-375=225 restul
225x[tex] \frac{4}{5} [/tex]=180m a doua zi
225-180=45 m ramasi
3.973x[tex] \frac{2}{7} [/tex]=278 prima zi
973-278=695 rest
695x[tex] \frac{3}{5} [/tex]=417 a doua zi
695-417=278rest
278:2=139 a primit fiecare gradinita