Question
If 'A' stands for '-', 'B' stands for '×', 'C' stands
for '+', and 'D' stands for '÷', then what is the value of the following expression. 54 D 18 C 8 A 14 C (12 B 7 A 4) C 6Solution
54 D 18 C 8 A 14 C (12 B 7 A 4) C 6 54 ÷ 18 + 8 – 14 + (12 × 7 – 4) + 6 = 3 + 8 – 14 + (84 – 4) + 6 = 3 + 8 – 14 + 80 + 6 = 83
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