.已知y=ax+b,当x=1时,y=1;当x=-1时,y=0,则a=______ 发布时间:2017-04-15 09:38 │ 来源:www.tikuol.com 题型:填空题 问题: .已知y=ax+b,当x=1时,y=1;当x=-1时,y=0,则a=______,b=______.