\(\dfrac{3}{5.7}+\dfrac{3}{7.9}+-..+\dfrac{3}{59.61}\)
\(\left(x^2-4\right)\left(6-2x\right)=0\)
\(\dfrac{3}{2}-2x^2=-\dfrac{1}{2}\)
So sánh
\(A=\dfrac{10^{100}+1}{10^{101}+1}\)và\(B=\dfrac{10^{101}+1}{10^{102}+1}\)
530và12410
2711và818
536và1124
339 và 1121