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1. The first one is that you can not use the number 6 first. I know you would read this and think why not? right? Well, I know its weird but that is just one of the rules. For example you can not do *6*-5.

2. And the second one is that when you do subtraction you also have to do butt clenches at the same time because it helps you focus and it helps you get the right answer.

Well, your VERY welcome for the help!

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Q: What are the 2 subtraction rules?
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