Question

cho số A=(2^500-5.2^495)/(2^501-10.2^495).Sau khi rút gọn thì A=?

Answer 1

kết quả=0

Answer 2

\(\frac{2^{500}-5.2^{495}}{2^{501}-10.2^{495}}\)=\(\frac{2^{495}.\left(2^5-5\right)}{2^{495}.\left(2^6-10\right)}=\frac{2^5-5}{2^6-10}=\frac{32-5}{64-10}=\frac{27}{54}=\frac{1}{2}\)