12(x-0.5)=?-5(1-1/5x=?-5a+(3a-2)-(3a-7)=?1/3(9y-3)+2(y+1)=?
问题描述:
12(x-0.5)=?-5(1-1/5x=?-5a+(3a-2)-(3a-7)=?1/3(9y-3)+2(y+1)=?
答
250
12(x-0.5)=?-5(1-1/5x=?-5a+(3a-2)-(3a-7)=?1/3(9y-3)+2(y+1)=?
250