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Question 22 W...

Question

Question 22

Which of the following is different from the others?

(a) $20 + (- 25)$
(b) $(- 37) - (- 32)$
(c) $(- 5) \times (- 1)$
(d) $45 \div (- 9)$

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Solution

(a) $20 + (- 25) = 20 - 25 = - 5$
(b) $(- 37) - (- 32) = - 37 + 32 = - 5$
(c) $(- 5) \times (- 1) = 5$
(d) $(45) \div (- 9) = \frac{45}{- 9} = - 5$

Option (c) is equal to 5 and is different from others.

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