若a是有理数,下列说法正确的是 A.a一定是正数B.-a一定是负数C.a一定不是0 D.a可能是0
若a是有理数,下列说法正确的是 A.a一定是正数B.-a一定是负数C.a一定不是0 D.a可能是0
数学人气:676 ℃时间:2019-12-05 06:52:05
优质解答
若a是有理数,下列说法正确的是 D.a可能是0
我来回答
类似推荐
猜你喜欢
- 1急要描写泰山的风景短文300字!
- 2118.---the last bus,he had to go home on foot.
- 3单项填空:It is______in Australia when it is spring in China
- 4我正在写字的英语怎么说
- 5sin(2x-π/2)函数图像关于y轴对称吗
- 6They have to clea the classroom(对clea the classroom提问)
- 7such experiments _ you did that day need much patience as well as imagination
- 8声音共振现象.
- 9线段的平行投影可能是一点吗?线段的平行投影都有什么.
- 10you have so ____ ____,will you ___give me____?