25b-(b-5)=29.7x+2(3x-3)=25b-(b-5)=29.7x+2(3x-3)=20.8y-3(3y+2)=6
问题描述:
25b-(b-5)=29.7x+2(3x-3)=
25b-(b-5)=29.7x+2(3x-3)=20.8y-3(3y+2)=6
答
25b-(b-5)=29.7x+2(3x-3)=
25b-(b-5)=29.7x+2(3x-3)=20.8y-3(3y+2)=6