medium · GMAT Quant
For every integer k, which of the following expressions is equivalent to lfloor dfrack2 rfloor · lceil dfrack2 rceil?
- lfloor dfrack^24 rfloor
- dfrack^24
- lceil dfrack^24 rceil
- lfloor dfrack^22 rfloor
- dfrack(k-1)2
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