Câu hỏi:
What is 1/2 of 1/4 of 2/9 of 3/7 of 84?
Đáp án:
The answer is 1. 3/7 of 84 = 36 2/9 of 36 = 8 1/4 of 8 = 2 1/2 of 2 = 1
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