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I have always been terrible at multiplication and when I am forced to do it always use a method identical to the grid method. Except I didn't know it had a name
by eldenbishop 16y ago
I have always been terrible at multiplication and when I am forced to do it always use a method identical to the grid method. Except I didn't know it had a name. I just cheated and did this because it seemed like a non-optimal but straight forward way to an answer that was self evidently correct.