If 2^x - 2^x-2=3(2^13), what is the value of x?
a)9
b) 11
c) 13
d) 15
e) 17
thx
收錄日期: 2021-04-22 00:50:32
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https://hk.answers.yahoo.com/question/index?qid=20090622000051KK02093