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In this video we will see how to swap 2 numbers in easiest way. We use a new formula: b = a+b-(a=b) to swap 2 numbers. we first solve round brackets then the rest.
Example: a=5 b= 6
b= 5+6-(a=6)
so, b= 11-6 = 5
therefore. a=6 and b = 5
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