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Which has a different answer?

7 + 2 - 4

2 + 7 - 4

7 - 4 + 2

4 + 7 - 2

1 answer

Let's calculate each expression:

  1. 7 + 2 - 4:

    • 7 + 2 = 9
    • 9 - 4 = 5

  2. 2 + 7 - 4:

    • 2 + 7 = 9
    • 9 - 4 = 5

  3. 7 - 4 + 2:

    • 7 - 4 = 3
    • 3 + 2 = 5

  4. 4 + 7 - 2:

    • 4 + 7 = 11
    • 11 - 2 = 9

Now, let's summarize the results:

  • 7 + 2 - 4 = 5
  • 2 + 7 - 4 = 5
  • 7 - 4 + 2 = 5
  • 4 + 7 - 2 = 9

The expression 4 + 7 - 2 has a different answer (9) compared to the other expressions, which all equal 5.