30 simple arithmetic exercises for computing without paper and pencil

Some simple arithmetic exercises for calculations without paper and pencil

Descripción

Math, Arithmetic

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Preguntas

10 s

Por pregunta

0:55

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2 comentarios

Bossy Puffin juez 22 de jun de 2020

Thank you for taking the effort to submit your test for the contest.
Unfortunately, this test will not be able to receive a prize:
Missing explanations.

Tall Monkey 26 de may de 2020

There is not any explanation.

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