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Originally Posted by Crack
11*73= ?
Do it!!
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803
If you're curious what the trick is, it's pretty simple. You take the two digit number, add the digits together, and stick it in between. In this case...
11*73=?
7+3 = 10 so you carry the 1 and get 803
Here's an example without carrying
11*23 = 253
Now everyone can do it!