Seudónimo Seudónimo

05-10-2016
Mathematics

contestada

Why is mental addition and subtraction important when you learn more difficult concept

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haybug1228 haybug1228

05-10-2016

It is important so you can be more fluent or faster in knowing bigger problems

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Аноним Аноним

05-10-2016

It is important because addition is the opposing method of multiplication and subtraction is the opposing method to division. And you need to fluent and fast when it comes to real life!

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