等我講清楚^^:1/2係分數,,吾係代表1除2
1.) 1/3(t+9)=1/3-0.5(t+3)
2.) 2-t/4-t=x+1/3+1
3.) y/4-2(y-9)/s=5y+8/6
4.) 1-2[3-(x/2-1)]=x/4+1
5.) 1/6[1/2(1-2n)+1/3]=n/3
急急急急
=]
更新1:
十萬火急....求救,,help me please!!!