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26 June, 11:43

Sun Yi estimated 270 + 146 and got 320 is her estimate reasonable explain

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  1. 26 June, 11:47
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    She would've estimated: 416 therefore her estimation was quite off.
  2. 26 June, 11:59
    0
    no

    Step-by-step explanation:

    146 is close to 150.

    270+150=420.

    Therefore, Sun Yi's estimate is not reasonable.
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