ezpain how 9 ×4 can help you find 9×8

Answer 1

well, 8 = 4x2, so ...

Answer 2

I am very confused on this problem:

2 x 2 x 2 + (14 - 4) divided by 2

Answer 3

do the parentheses first. Then you have
2x2x2 + 10/2
then the multiply/divide
8+5
then the add
13