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7 December, 05:18

What operation should be performed first in the expression 8 - 2 + 5 x (16 + 66 didved by 2)

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Answers (2)
  1. 7 December, 05:32
    0
    Because of he parenthesis, the operation in it must be performed first.

    So (16+66/2) should be performed FIRST.
  2. 7 December, 05:40
    0
    8 - 2 + 5 x (16 + 66 : 2)

    Do the : in the bracket:

    = 8 - 2 + 5 x (16 + 33)

    Do the operation in the bracket:

    = 8 - 2 + 5 x 49

    Do multiplication:

    = 8 - 2 + 245

    Do subtraction:

    = 6 + 245

    Do addition:

    = 251

    -

    Answer: 251
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