Răspuns :
(a+a+1+a2+a+3+a+4):13=8r1
(5a+10)=13x8+1
5a+10=105
5a=105-10
a=95:5
a=19
nr sunt 19,20,21,22,23
(5a+10)=13x8+1
5a+10=105
5a=105-10
a=95:5
a=19
nr sunt 19,20,21,22,23
(a+a+1+a2+a+3+a+4):13=8r1
(5a+10)=13x8+1
5a+10=105
5a=105 - 10
a=95 : 5
a=19
fara raspuns
(5a+10)=13x8+1
5a+10=105
5a=105 - 10
a=95 : 5
a=19
fara raspuns