-24
One plus two plus three plus four is ten. 1+2=3. 3+3=6. 6+4=10.
6 + 4 + 3 + 4 + 4 + 5 + 4 + 6 + 5 + 4 + 8 + 4 = 57
6 times 3
The product is: x^2 +8x +16
4 + 6 + 6 + 5 + 5 + 4 + 6 + 5 + 5 + 6 + 5 + 5 + 5 + 3 = 70
7 + 5 + 4 + 5 + 3 + 4 + 6 + 5 + 4 + 5 + 6 + 4 + 7 = 65
9 + 9 + 9 + 9 + 9 + 9 + 6 + 6 + 6 + 6 + 2 + 2 + 23 + 3 + 3 + 4 + 4 + 4 = 123
3+4+6+4=17
6 + 4 = 4 + 6 is an example of the Commutative property of addition.
18 + 24 = (6 x 3) + (6 x 4) = 6 x 7
3 + 4 + 2 + 8 + 6 + 0.3 + 4 + 2 + 8 + 6 + 0.3 + 4 + 2 = 49.6
79