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