Tính A=1-2+2^2-2^3+2^4-2^5+...+2^2016
\(A=1-2+2^2-2^3+2^4-2^5+...+2^{2016}\)
\(B=\left(1+\dfrac{8}{10}\right).\left(1+\dfrac{8}{22}\right).\left(1+\dfrac{8}{36}\right)...\left(1+\dfrac{8}{8352}\right)\)
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Toán lớp 6
