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Order of Operations

Enter an expression and watch PEMDAS unfold one operation at a time, with the reason for each step.

Try:

Use + − * / and parentheses ( ). Multiplication must be written with *.

  1. 1

    3 + 4 * (5 - 2)

    Subtract: 5 - 2 = 3

  2. 2

    3 + 4 * (3)

    Remove the parentheses around 3.

  3. 3

    3 + 4 * 3

    Multiply: 4 * 3 = 12

  4. 4

    3 + 12

    Add: 3 + 12 = 15

Answer

15