当m等于什么数时,代数式9m-3/4-m/3比m/2-m-4/6值少3

当m等于什么数时,代数式9m-3/4-m/3比m/2-m-4/6值少3
当m等于什么数时,代数式9m-3/4-m/3比m/2-m-4/6值少3

当m等于什么数时,代数式9m-3/4-m/3比m/2-m-4/6值少3
m/2-m-4/6-(9m-3/4-m/3)=3
-m/2-2/3-26m/3+3/4 =3
-55m/6+1/12 =3
-110m+1 = 3* 12
-110m =35
m =-7/22

有所反