Tính nhẩm: 14,326 x 1000= ; 0,503x100= ; 49,72x10= ; 1,8x100= ; 8,643x100= ;25,48x1000

* Hướng dẫn giải

$$\begin{gathered} 14,326\times 1000=14326 \\ 0,503\times 100=5,03 \\ 49,72\times 10=497,2 \\ 1,8\times 100=180 \\ 8,643\times 100=864,3 \\ 25,48\times 1000=25480 \end{gathered}$$