How to know 9 times table without even working out
So first line up times table.
9x1
9x2
9x3
9x4
9x5
9x6
9x7
9x8
9x9
9x10
then do 0123456789 up to down.
then do 0123456789 down to up
you will get the right answers!
PS it does not work with 9x11 or 9x12
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