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Hipervinculo Matemáticas
Learn how to solve problems using guess and check and by working backward.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Solve word problems using the guess, check, and revise strategy.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
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