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Adding 2-digit numbers without regrouping 1 | Addition and subtraction | 1st grade | Khan Academy
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Sal adds 71 + 24.
1st grade on Khan Academy: Learn the numbers from 0 to 120.
For free. For everyone. Forever. #YouCanLearnAnything
1st grade on Khan Academy: Learn the numbers from 0 to 120.
For free. For everyone. Forever. #YouCanLearnAnything