Question

Ai cần tik hôgg. 

\(\frac{1}{2}.\frac{2}{3}....\frac{98}{99}.\frac{99}{100}=??\)

Answer 1

\(\frac{1}{2}\cdot\frac{2}{3}\cdot\frac{3}{4}\cdot...\cdot\frac{99}{100}\)

\(=\frac{1\cdot2\cdot3\cdot...\cdot99}{2\cdot3\cdot4\cdot...\cdot100}\)

\(=\frac{1}{100}\)

Answer 2

\(\frac{1}{2}\cdot\frac{2}{3}\cdot\frac{3}{4}\cdot...\cdot\frac{99}{100}\)

\(=\frac{1}{100}\)

+)30 c4^`n 71k 0k 

Answer 3

\(\frac{1}{2}.\frac{2}{3}...\frac{98}{99}.\frac{99}{100}\)

\(=\frac{1.2...98.99}{2.3...99.100}\)

\(=\frac{1}{100}\)

Answer 4

\(\frac{1}{2}x\frac{2}{3}x...x\frac{98}{99}x\frac{99}{100}=\frac{1}{100}\)

Answer 5

Ta có  :

\(\frac{1}{2}.\frac{2}{3}....\frac{98}{99}.\frac{99}{100}\)

\(=\frac{1.2....98.99}{2.3....99.100}\)

\(=\frac{1}{100}\)

Answer 6

\(\frac{1.2.3....98.99}{2.3.4....99.100}=\frac{1}{100}\)

Answer 7

\(=\frac{1}{100}\)

Mik cần k

Answer 8

Đáp án : \(\frac{1}{100}\)

Answer 9

\(\frac{1}{2}.\frac{2}{3}....\frac{98}{99}.\frac{99}{100}\)

\(=\frac{1.2....98.99}{2.3...99.100}=\frac{1}{100}\)

Vậy kết quả cần tìm là : \(\frac{1}{100}\)

Answer 10

\(\frac{1}{2}.\frac{2}{3}.....\frac{98}{99}.\frac{99}{100}\)

\(=\frac{1.2.3...98.99}{2.3....99.100}\)

\(=\frac{1}{100}\)