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mixer [17]
3 years ago
14

Explain why you should record a 1 in the tens when you regroup in an addition problem

Mathematics
2 answers:
Mandarinka [93]3 years ago
3 0
You put a one becuse it  repusents a 10 and your tencly adding  a 10
Tanzania [10]3 years ago
3 0
You have to put the one first
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