Question
In a certain code language, '+' represents '×', '-'
represents '+', '×' represents '÷' and '÷' represents '-'. What is the answer to the following question?8 - 2 + 81 × 27 ÷ 3 = ?Solution
Given: 8 - 2 + 81 × 27 ÷ 3 = ?
After changing the symbols:
= 8 + 2 × 81 ÷ 27 – 3 = ?
= 8 + 2 × 3 – 3
= 8 + 6 – 3
= 14 – 3
= 11
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