问题
选择题
Our math teacher will only give us 5 minutes______ this problem. [ ]
A. find out
B. work out
C. to give out
D. to work out
答案
答案：D
搜题请搜索小程序“爱下问搜题”
Our math teacher will only give us 5 minutes______ this problem. [ ]
A. find out
B. work out
C. to give out
D. to work out
答案：D
cm，则此时圆盘的动量大小为（）。
N·s
N·s