当a为何值时,式子2A+1与A+3的值满足:1.相等;2.互为相反数
人气:481 ℃ 时间:2020-04-02 02:08:56
解答
2a+1=a+3 a=2
2a+1+a+3=0 a=-1
推荐
- 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,
- 已知a^2-6a+9与|b-1|互为相反数,求式子(2a+b)/(a+b)的值.
- 若式子2a-12与a+1的值互为相反数,则a=多少
- 若式子2a+3与7a-12的值互为相反数,求a的值
- 当A为何值时,式子2A+1与A+3得值满足下列条件,(1.相等)(2.互为相反数)
- the kinds of clothing 和 the kind of clothing
- (1)Where were you( ) Thursday,March23,2006.(2)We were( )the baker's.
- he would say和he said的区别
猜你喜欢