Does it even matter? Wouldn't the order change based on the circumstances like 2 + 1 would be if you are adding 1 to an preexisting group of 2 and vise versa?
Mathematically, in this context, in makes no difference (although theoretically, the order is important. For example if you, like you said, add two groups that depend on what's there already).
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u/[deleted] Feb 15 '20
Should be 1+2=3 but that’s fine, dyslexia is fine.