Question

30 de scaderi rezolvate repede dau coronita

Answer 1

1-1=0
2-1=1
3-1=2
4-1=3
5-1=4
6-1=5
7-1=6
8-1=7
9-1=8
10-1=9
11-1=10
12-1=11
13-1=12
14-1=13
15-1=14
16-1=15
17-1=16
18-1=17
19-1=18
20-1=19
21-1=20