Question
Which two numbers should be interchanged to make the
following equation correct? 108 ÷ 5 − 2 × 9 + 25 = 27Solution
108 ÷ 5 − 2 × 9 + 25 = 27 108 ÷ 9 − 2 × 5 + 25 = 27 12 − 2 × 5 + 25 = 27 12 − 10 + 25 = 27 37 – 10 = 27 = 27
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