Toán tim ti so phan tram a 2 3/4 va 3 4/7 18va 4/5 04/12/2021 By Piper tim ti so phan tram a 2 3/4 va 3 4/7 18va 4/5
`2` `3/4` $=$ `200/100` `75/100` $=$ `275/100` $=$ `275%` $3$ `4/7` $=$ ( loại , ko chia được) $18$ $=$ `1800/100` $=$ `1800%` `4/5` $=$ `80/100` $=$ `80%` Trả lời
`2` `3/4` $=$ `200/100` `75/100` $=$ `275/100` $=$ `275%`
$3$ `4/7` $=$ ( loại , ko chia được)
$18$ $=$ `1800/100` $=$ `1800%`
`4/5` $=$ `80/100` $=$ `80%`
2 3/4=2 75/100=2,75%
18=1800/100=1800%
4/5=80/100=80%