三个力作用在一个物体上,其大小分别为7N、8N、9N,其合力大小可能是( ) A 发布时间:2017-07-01 16:11 │ 来源:www.tikuol.com 题型:多选题 问题: 三个力作用在一个物体上,其大小分别为7N、8N、9N,其合力大小可能是( )A.0B.7 NC.15 ND.25 N
题型:多选题 用所给词的适当形式填空。1.It was great____(see) her again.2.In ADT we also do things like_____(learn) to cook as well as ____(draw)and design.3.He likes reading instead of ____(watch) TV.4.Sally ____(be) at school since she was five and she_____(be) there until she's 18.5.Their school isn't as big as _____(we). 查看答案