Đáp án + Giải thích các bước giải:
`A=sqrt(50)-sqrt(9/2)+3sqrt(24)`
`= sqrt(5^2 . 2)-sqrt((3^2)/2) + 3sqrt(4.6)`
`= 5sqrt(2)-3/(sqrt(2)) + 6sqrt(6)`
`= (10sqrt(2)-3sqrt(2)+12sqrt(6))/2`
`= (12sqrt(6)+7sqrt(2))/2`
$$$$
`B=sqrt(27)-2sqrt(48)+5sqrt(12)`
`=sqrt(3^2 .3)-2sqrt(4^2 .3)+5sqrt(2^2 .3)`
`=3sqrt(3)-8sqrt(3)+10sqrt(3)`
`=sqrt(3).(3-8+10)`
`=5sqrt(3)`