- A
- B50 − 10 − 20
- C
- D
Step-by-Step Solution
50 − 20 − 10 = 20. But 50 − (20 − 10) = 50 − 10 = 40. The other three all equal 20.
Answer: C)
Which expression is NOT equal to 50 − 20 − 10?
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