Mathematical judgment in the second grade of primary school: multiplication is a simple calculation of addition. Right?

Is this really a sophomore problem? great

My answer: no, because there are many things that multiplication can't replace. For example, 2+2+2 can be replaced by 2*3, which is simple. For example, 2+3+2 cannot be used for simple calculation, so multiplication is not necessarily a simple calculation of addition. Answer over

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