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OpenStudy (anonymous):
Which placement of grouping symbols in the expression gives it a value of 22? A. 3 · [4 – (2 + 5) + 7] B. (3 • 4) – [2 + (5 + 7)] C. [(3 • 4) – 2] + (5 + 7) D. 3 • (4 – 2) + (5 + 7)
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OpenStudy (anonymous):
PLEASE HELP
OpenStudy (mathmate):
Can you calculate the value of each of the 4 options and see which one(s) equals 22. I'm afraid there's no shortcut.
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