If A denote ÷, B denotes x, C denotes + and D denotes -, what is the value of 16 B 20 A 4 C 5 D 6?
16 B 20 A 4 C 5 D 6 = 16 × 20 ÷ 4 + 5 - 6 = 16 × 5 + 5 - 6 = 80 + 5 - 6 = 79 .
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