mp(MNP) // mp(QRS)
1. are visited
Gấp 2 lần so với đứng 2 chân.
1. is visited
2. moved
3. are walking
4. will become
`D=(a+b)(a+1)(b+1)`
`=3[ab+(a+b)+1]`
`=3(5+3+1)`
`=27`.
⇒ homeless
`15x^2-25x+18`
`=5.(3x^2-5x+6)+12`
`=5.2+12`
`=22`