皮皮学，免费搜题
登录
搜题
【简答题】
我们知道三角形的内角和等于180°，四的内角和等于360°，如果为n的多，其内角和为（n-2）180°；反过来，已知多的内角和，同样利用内角和公式可求出这个多的，如：一个多的内角和为1080°，则这个多的为8； （1）求十的内角和； （2）已知一个多的内角和为2160°，求这个多的； （3）已知一个多的内角和是三角形内角和的2倍，求这个多的．
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】用半波带法讨论单缝衍射暗条纹中心的条件时,与中央明条纹旁第三个暗条纹中心相对应的半波带数目是 __________。
【单选题】Geek Co is developing a new product and expects to be able to capitalise the costs. Which of the following would preclude capitalisation of the costs?
A.
Development of the product is not yet complete.
B.
No patent has yet been registered in respect of the product.
C.
No sales contracts have yet been signed in relation to the product.
D.
It has not been possible to reliably allocate costs to development of the product.
【简答题】用半波带法讨论单缝衍射暗条纹中心的条件时,与中央明条纹旁第二个暗条纹中心相对应 的半波带的数目是 。
【简答题】进气管外观检查主要是看进气管是否存在( )和( )。
【单选题】Geek is developing a new product and expects to be able to capitalise the costs. Which one of the following would preclude capitalisation of the costs?
A.
Development of the product is not yet complete
B.
No patent has yet been registered in respect of the product
C.
No sales contracts have yet been signed in relation to the product
D.
It has not been possible to reliably allocate costs to development of the product
相关题目：
参考解析：
知识点：
题目纠错 0
发布
