RE: How to make Mental Arithmetic Easier – N i ne Tricks — Steemit

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RE: How to make Mental Arithmetic Easier – N i ne Tricks

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doitvoluntarily (77)in #math-games • 9 years ago

awesome post!

9 years ago in #math-games by doitvoluntarily (77)

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mytechcrunch (62) 9 years ago

encouraging comment indeed @doitvoluntarily , thanks

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