@Bơ
`A=(-12xyz)^2.(-4/3 x^2 y^3 z)`
`A=144 x^2 y^2 z^2 . -4/3 x^2 y^3 z`
`A= (144).(-4/3) x^4 y^5 z ^3`
`A=-192 x^4 y^5 z ^3`
Bậc: `12 `
Hệ số: `-192`
`M=2x^2 y ( -1/3 yz^2 ) .2/3 (-3xyz)^2`
`M= 2x^2 y ( -1/3 yz^2 ) . 2/3 . 9 x^2 y ^2 z^2`
`M=(2) (-1/3).(2/3).(9) x^4 y^4 z ^4`
`M=-4 x^4 y^4 z ^4`
Bậc:` 12`
Hệ số:` -4`