Question

Suma a cinci numere consecutive este 105. Determinati numerele.

Answer 1

a+(a+1)+(a+2)+(a+3)+(a+4)=105 ⇔ ⇔a+a+1+a+2+a+3+a+4=105⇔5a+10=105⇔5a=95⇒a=19;
Deci numerele sunt;
a=19;
a+1=20;
a+2=21;
a+3=22;
a+4=23;