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11 March, 05:27

Regrouping 21 ones are regrouped as 1 ten and 2 ones

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Answers (2)
  1. 11 March, 06:37
    0
    Regrouping 21 ones are regrouped as 2 tens and 1 ones.

    10

    10

    01

    ---

    21
  2. 11 March, 07:21
    0
    2 tens equal 20 and 1 = 21
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