tomhannawap5igkn tomhannawap5igkn
  • 13-03-2018
  • Mathematics
contestada

Use tens to solve 13-7

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rubydai03
rubydai03 rubydai03
  • 18-03-2018
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. 
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