Question

Daca un cioban isi numara oile cate 2,3,4,5 sau 6 de fiecare data ii ramane una in plus.Cate oi are daca numarul lor este cuprins intre 200 di 300

Answer 1

n=2·c1+1=3·c2+1=4·c3+1=5·c4+1=6·c5+1
n-1=M [2,3,4,5,6]
n-1=M 60
200<n<300
=>n-1=4·60
n=241
R:241 oi