求当a为何值时,式子2a+1与3的值满足下列条件:(1)相等,(2)互为相反数,
问题描述:
求当a为何值时,式子2a+1与3的值满足下列条件:(1)相等,(2)互为相反数,
答
求当a为何值时,式子2a+1与3的值满足下列条件:(1)相等,(2)互为相反数,