daca a/7=5/3 , atunci numarul a+7/7 este egal cu...

Răspuns :

vine a/7=5/3=>a*3=5*7=>a=35/3=>a+7/7=35/3+7/7=8/3
a/7=5/3=>a=7*5/3=35/3


a+7/7=(35/3+7)/7=56/3:7=56/21

sau daca am inteles bine

a+7/7=a+1=35/3+1=38/3