中国大学MOOC: 设B={a,c,e,f,g,h}删除字母e和h
举一反三
- 设B={a,c,e,f,g,h}删除字母e和h? Delete[B,-4];Delete[B,6]|Delete[B,{{3},{6}}]|Delete[B,{3,6}]|Delete[B,3]; Delete[B,-1]
- 设B={a,c,e,f,g,h}删除字母e和h A: Delete[B,{{3},{6}}] B: Delete[B,3]; Delete[B,-1] C: Delete[B,-4];Delete[B,6] D: Delete[B,{3,6}]
- 设B={a,c,e,f,g,h}删除字母e和h A: Delete[B,{{3},{6}}] B: Delete[B,3]; Delete[B,-1] C: Delete[B,-4];Delete[B,6] D: Delete[B,{3,6}]
- 中国大学MOOC: f=ω(g)且g =ω(h)则f =ω(h)
- 中国大学MOOC: f=o(g)且g = o(h) 则 f=o(h)