Question
Which two signs should be interchanged to make the
following equation correct? 7 × 6 ÷ 3 – 6 = 40 + 20Solution
7 × 6 ÷ 3 + 6 = 40 – 20  7 × 2 + 6 = 20 14 + 6 = 20 20 = 20
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