When do you need to regroup, explain?

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03-03-2016
Mathematics

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When do you need to regroup, explain?

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Аноним Аноним · Answer 1 · 2016-03-03T00:30:45+01:00

Аноним Аноним

03-03-2016

For an example when you need to regroup like for example
15
+9
_____
You will see 9+ 5 = 14 so you will need to regroup the one into the 1 and leave the 4 below the 5 and 9

I might not be answering your question though, because I need to know what equation is it

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