tính nhẩm: 14,326*1000= ; 1,8*100= ; 0,503*100= ; 8,643*100=

* Hướng dẫn giải

$14,326\times 1000=14326$

$1,8\times 100=180$

$0,503\times 100=50,3$

$8,643\times 100=864,3$

$49,72\times 10=497,2$

$25,48\times 1000=25480$