Question

[Yui~]

17m – 9mm = … mm

Answer 1

[Huỳnh Thùy Dương]

16991

Answer 2

[Nguyễn Ngọc Chi]

_{Ta có 1m = 1000mm nên 17m = 17000mm}

_{Do đó: 17m - 9mm = 17000mm - 9mm = 16991mm}

_{Vậy 17m - 9mm = 16991mm.}