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Un article trouvé pour ce sujet.
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Guess and check |
2009-10-27 |
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Eileen pose la question :
Caslin has a total of 50 red beans and green beans. If she trades 1 red bean for 4 green beans, she will have 113 green beans, how may red beans and green beans does she have?
Penny Nom lui répond. |
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