Question

tính nhanh 

\(\frac{2003x1999-2003x999}{2004x999x1994}\)

Answer 1

\(\frac{2003x1999-2003x999}{2004x999x1994}=\frac{2003x\left(1999-999\right)}{2004x999x1994}\)

\(=\frac{2003x1000}{2004x999x1994}=\frac{1}{1994x}\)

Answer 2

\(\Rightarrow❤️✔️✨♕✨✔️❤️\Leftarrow\)

\(\text{Bài làm :}\)

\(\frac{2003\cdot1999-2003\cdot999}{2004\cdot999\cdot1994}=\frac{2003\cdot1999}{999\cdot1994}=\frac{4003997}{1992006}\)

\(\text{Chúc bạn học tốt !}\)