72 - x :4 =16

X :4 ×7 =25200

Trình bay giup

`72-x:4=16`

`x:4=72-16`

`x:4=56`

`x=4xx56`

`x=244`

`----------`

`x:4xx7=25200`

`x xx 7/4 =25200`

`x=25200:7/4`

`x=25200xx 4/7`

`x=14400`

`\color{red}{\text()~m o rph i n~ `