Question
If '+' means '÷', '÷' means '–', '–' means '×',
'×' means '+', then ' 30 + 10 ÷ 6 – 5 × 6 ' = (?)Solution
= 30 + 10 ÷ 6 – 5 × 6 = 30 ÷ 10 – 6 × 5 + 6 = 3 – 30 + 6 = 9 – 30 = -21 According to BODMAS, the correct answer is -21.
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