Add: 1 + 2

What is 1 + 2?
What is 1 plus 2?
Addition 2 3 4 5 6
3 2+3 = 5 3+3 = 6 4+3 = 7 5+3 = 8 6+3 = 9
4 2+4 = 6 3+4 = 7 4+4 = 8 5+4 = 9 6+4 = 10
5 2+5 = 7 3+5 = 8 4+5 = 9 5+5 = 10 6+5 = 11
6 2+6 = 8 3+6 = 9 4+6 = 10 5+6 = 11 6+6 = 12
7 2+7 = 9 3+7 = 10 4+7 = 11 5+7 = 12 6+7 = 13
Addition 1.1 1.2 1.3 1.4 1.5
2.1 1.1+2.1 = 3.2 1.2+2.1 = 3.3 1.3+2.1 = 3.4 1.4+2.1 = 3.5 1.5+2.1 = 3.6
2.2 1.1+2.2 = 3.3 1.2+2.2 = 3.4 1.3+2.2 = 3.5 1.4+2.2 = 3.6 1.5+2.2 = 3.7
2.3 1.1+2.3 = 3.4 1.2+2.3 = 3.5 1.3+2.3 = 3.6 1.4+2.3 = 3.7 1.5+2.3 = 3.8
2.4 1.1+2.4 = 3.5 1.2+2.4 = 3.6 1.3+2.4 = 3.7 1.4+2.4 = 3.8 1.5+2.4 = 3.9
2.5 1.1+2.5 = 3.6 1.2+2.5 = 3.7 1.3+2.5 = 3.8 1.4+2.5 = 3.9 1.5+2.5 = 4