[92--1/9-2/10-3/11-4/12-92/100] :[1/45+1/50+1/55+1/60+1/500]

Tính giá trị biểu thức 

          \(\frac{10-\frac{1}{9}-\frac{2}{10}-\frac{3}{11}-\frac{4}{12}-...-\frac{10}{18}}{\frac{1}{45}+\frac{1}{50}+\frac{1}{55}+\frac{1}{60}+...+\frac{1}{90}}\)

tính B = (80 - 1/9 - 2/10-3/11- 4/12-...-80/88):(1/45+1/50+1/55+...+1/440) 

A=\(\frac{10-\frac{1}{9}-\frac{2}{10}-\frac{3}{11}-...-\frac{10}{18}}{\frac{1}{45}+\frac{1}{50}+\frac{1}{55}+...+\frac{1}{90}}\)

Tính \(H=\left[101-\frac{1}{9}-\frac{2}{10}-\frac{3}{11}-...-\frac{101}{109}\right]:\left[\frac{1}{45}+\frac{1}{50}+\frac{1}{55}+...+\frac{1}{545}\right]\)

Tính A=92-1/9-2/10-3/11-4/12-5/3-...-91/99-92/100              /            1/45+1/50+1/55+...+1/495+1/500

(92-1/9-2/10-3/11-...-92/100)/(1/45+1/50+1/55+...+1/500)

[92-1/9-2/10-3/11-....-92/100]:[1/45+1/50+1/55+....1/500]

Tính:(92-1/9-2/10-3/11-.......-92/100):(1/45+1/50+1/55+...+1/500)