Các câu hỏi tương tự
1,Tính nhanh
\(\frac{1}{4}+\frac{1}{12}+\frac{1}{24}+\frac{1}{40}+\frac{1}{60}+\frac{1}{84}\)
Tính nhanh :
A = \(\frac{1}{4}+\frac{1}{12}+\frac{1}{24}+\frac{1}{40}+\frac{1}{60}+\frac{1}{84}\)
\(\frac{1}{4}+\frac{1}{12}+\frac{1}{24}+\frac{1}{40}+....+\frac{1}{4900}\)
tính nha
Tính $Afrac{1}{4times8}+frac{1}{8times12}+frac{1}{12times16}+...+frac{1}{176times180}$A14×8+18×12+112×16+...+1176×180.
Đáp số: A
Đọc tiếp
Tính $A=\frac{1}{4\times8}+\frac{1}{8\times12}+\frac{1}{12\times16}+...+\frac{1}{176\times180}$.
| Đáp số: A = | |
\(\frac{1}{7}+\frac{1}{8}+\frac{1}{9}+\frac{1}{10}+\frac{1}{11}+\frac{1}{12}+\frac{1}{14}+\frac{1}{15}+\frac{1}{18}+\frac{1}{22}+\frac{1}{24}+\frac{1}{28}+\frac{1}{33}\)
\(\frac{1}{3}+\frac{1}{6}+\frac{1}{12}+\frac{1}{24}+...+\frac{1}{96}.Tinh\)
A=\(\frac{1}{4}\)+\(\frac{1}{12}\)+\(\frac{1}{24}\)+\(\frac{1}{40}\)+\(\frac{1}{60}\)+\(\frac{1}{84}\)
A bằng bao nhiu vậy !!!
\(\frac{1}{3}+\frac{1}{6}+\frac{1}{12}+\frac{1}{24}+\frac{1}{48}+\frac{1}{96}\)
tính nhanh:
B=\(\frac{3+33+333+3333+33333}{4+44+444+4444+44444}\)
A=\(\frac{1}{3}+\frac{1}{6}+\frac{1}{12}+\frac{1}{24}+\frac{1}{48}+\frac{1}{96}+\frac{1}{192}\)
\(\frac{1995}{1997}.\frac{1990}{1993}.\frac{1997}{1994}.\frac{1993}{1995}.\frac{997}{995}\)