Răspuns :
3/20 + 2/20 = 5/20 a doua zi
3/20 + 5/20 = 8/20 a treia zi
8/20 + 8/20 = 16/20 in total
3/20 + 5/20 = 8/20 a treia zi
8/20 + 8/20 = 16/20 in total
3/20+2/20=5/20-a doua zi
3/20+5/20=8/20-a treia zi
3/20+5/20+8/20=16/20-in total
3/20+5/20=8/20-a treia zi
3/20+5/20+8/20=16/20-in total