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单选题
If 5/8 of a number is 20, what is 1/8 of the number?
A
1/2
B
4
C
8
D
16
E
32
参考答案
参考解析
解析：
假设那个数字为n，可得出5n/8 =20，n = 32，所以1/8 (32)= 4。
假设那个数字为n，可得出5n/8 =20，n = 32，所以1/8 (32)= 4。
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