18:25
Try solving (2 to the x – 1 power) over (2 to the 3 – 4x power) = 16 without a calculator
21:04
Fractions Made EASY!
21:32
10 divided by 10 to the negative 3=? many are going to get this WRONG!
15:33
SEQUENCES that keep getting HARDER | How far can you get???
14:14