How to correct this?
Level
pending
I can correct the following sum by adding m line/s and there are n way/s to do so. If m is as small as possible, then find m+n?
6 / 3 - 8 = 10
Note: A valid equality must be formed.
The answer is 3.
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1 solution
The least number of lines you need to add is 1 so m=1. There are 2 ways to do so (n=2) - either adding a line to the minus sign so that it becomes a plus sign; or adding a line to the divide sign so that it turns into a times sign.
Hence m+n = 1 + 2 = 3 .