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Today, 04:41

What is 27 - 9.9 using mental math?

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Answers (2)
  1. Today, 05:28
    0
    Answer: 17.7
  2. Today, 07:15
    0
    17.1

    Step-by-step explanation:

    Mentally, you can compute this as ...

    27 - (10 - 0.1) = (27 - 10) + 0.1 = 17.1
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