Răspunsuri

2014-11-03T12:42:10+02:00
X:10=1 r 3
x=1*10+3
x=13

x:10=2 r 6
x=2*10+6
x=26

x:10=3 r 9
x:10*3+9
x=39

nr sunt 13 , 26, 39.