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Use tens to solve 13-7
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5 votes
Use tens to solve 13-7

User Nitin
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7.8k points

1 Answer

5 votes
You can change it to 130-70 and that'll give you 50.

Then just cross out the 0 from the 50 since 13-7 didn't have any zeros. So 5.
User Hsin
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9.1k points
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