侄女儿的数学题,有大佬能解答一下吗?

AlphaSlash-avatar

AlphaSlash

2020-10-17T12:33:21+00:00

[img]https://img.nga.178.com/attachments/mon_202010/24/-7Q5-g9ywZkT3cSzk-k0.jpg.medium.jpg[/img]

看了半天毫无头绪,正面侧面横切面???[s:ac:晕][s:ac:晕]

现在小学生的题略变态啊[s:ac:呆][s:ac:呆]

有大佬解答一波吗[s:ac:汗][s:ac:汗]