Răspuns :
a) 31, 41, 51, 61, 71, 81, 91
b) 90, 91, 92, 93, 94, 95, 96, 97, 98, 99
c) 40, 50, 60, 70, 80, 90
b) 90, 91, 92, 93, 94, 95, 96, 97, 98, 99
c) 40, 50, 60, 70, 80, 90
Răspuns
1)- 31,41,51,61,71,81,91
2) 90,91,92,93,94,95,96,97,98,99
3) 40,50,60,70,80,90
plicație pas cu pas: