皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【简答题】
计算： （1）（- ）×（-1 ）÷（-2 ）； （2）-6÷（-0.25）× 。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案：
举一反三
【简答题】Flags have existed for over 3000 years. The earliest flags were wooden or metal poles topped with a carving. About 2000 years ago pies of fabric were added to some poles for decoration. Over the next ...
查看完整题目与答案
【单选题】This city ___ a history of over 3000 years.
A.
has
B.
have
C.
had
D.
is
查看完整题目与答案
【简答题】C Flags have existed for over 3000 years.The earliest flags were wooden or metal poles topped with a carving.About 2000 years ago pies of fabric were added to some poles for decoration.Over the next 5...
查看完整题目与答案
【判断题】由于零件的最大极限尺寸大于最小极限尺寸,所以上偏差一定大于下偏差。
A.
正确
B.
错误
查看完整题目与答案
【单选题】剪切的实用计算采用( )假设。
A.
平面
B.
各向同性
C.
连续性
D.
均匀分布
查看完整题目与答案
【单选题】The number of students in our school ___ over 3000.
A.
are
B.
is
C.
have
D.
has
查看完整题目与答案
【单选题】______ is a long poem of over 3000 lines and the national epic of the English people.
A.
Beowulf
B.
Sir Gawain and the Green Knight
C.
The Canterbury Tale
D.
King Arthur and His Knights of the Round Table
查看完整题目与答案
【判断题】由于零件的最大极限尺寸大于最小极限尺寸,所以上偏差的绝对值大于下偏差的绝对值。
A.
正确
B.
错误
查看完整题目与答案
【单选题】So far we _____over 3000 trees.
A.
planted
B.
have planted
C.
plant
D.
have been planted
查看完整题目与答案
【多选题】1-3、根据三力平衡汇交定理,下面表述正确的是( )
A.
刚体受三个力作用，且处于平衡状态，则此三个力必交于一点
B.
刚体受三个力作用，且此三个力交于一点，则刚体处于平衡状态。
C.
刚体受三个力作用，且处于平衡状态，则此三个力必位于同一平面
D.
汇交于一点的三个力构成一平衡力系，若其中两个力共线，则不共线的第三个力必为零
查看完整题目与答案
相关题目：
【简答题】Flags have existed for over 3000 years. The earliest flags were wooden or metal poles topped with a carving. About 2000 years ago pies of fabric were added to some poles for decoration. Over the next ...
查看完整题目与答案
【单选题】This city ___ a history of over 3000 years.
A.
has
B.
have
C.
had
D.
is
查看完整题目与答案
【简答题】C Flags have existed for over 3000 years.The earliest flags were wooden or metal poles topped with a carving.About 2000 years ago pies of fabric were added to some poles for decoration.Over the next 5...
查看完整题目与答案
【判断题】由于零件的最大极限尺寸大于最小极限尺寸,所以上偏差一定大于下偏差。
A.
正确
B.
错误
查看完整题目与答案
【单选题】剪切的实用计算采用( )假设。
A.
平面
B.
各向同性
C.
连续性
D.
均匀分布
查看完整题目与答案
【单选题】The number of students in our school ___ over 3000.
A.
are
B.
is
C.
have
D.
has
查看完整题目与答案
【单选题】______ is a long poem of over 3000 lines and the national epic of the English people.
A.
Beowulf
B.
Sir Gawain and the Green Knight
C.
The Canterbury Tale
D.
King Arthur and His Knights of the Round Table
查看完整题目与答案
【判断题】由于零件的最大极限尺寸大于最小极限尺寸,所以上偏差的绝对值大于下偏差的绝对值。
A.
正确
B.
错误
查看完整题目与答案
【单选题】So far we _____over 3000 trees.
A.
planted
B.
have planted
C.
plant
D.
have been planted
查看完整题目与答案
【多选题】1-3、根据三力平衡汇交定理,下面表述正确的是( )
A.
刚体受三个力作用，且处于平衡状态，则此三个力必交于一点
B.
刚体受三个力作用，且此三个力交于一点，则刚体处于平衡状态。
C.
刚体受三个力作用，且处于平衡状态，则此三个力必位于同一平面
D.
汇交于一点的三个力构成一平衡力系，若其中两个力共线，则不共线的第三个力必为零
查看完整题目与答案
参考解析：
知识点：
题目纠错 0
发布
创建自己的小题库 - 刷刷题