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【简答题】
如图，单位正方形区域 在矩阵 的作用下变成平行四边形 区域． （Ⅰ）求矩阵 ； （Ⅱ）求 ，并判断 是否存在逆矩阵？若存在，求出它的逆矩阵．
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参考答案：
举一反三
【判断题】对于理想电压源而言,不允许开路,但允许短路。
A.
正确
B.
错误
查看完整题目与答案
【多选题】苏联社会主义模式包括()。
A.
公有制
B.
按劳分配
C.
市场经济
D.
计划经济
查看完整题目与答案
【简答题】Please choose -ED ending in which group can be pronounced as /t/？
查看完整题目与答案
【单选题】组合家具可以分成容易组装及拆卸的部分,应用了()发明原理。
A.
分割
B.
分离
C.
合并
D.
局部质量
查看完整题目与答案
【单选题】In the last paragraph, the author tries to tell us ______.
A.
learning is closely related to memory
B.
psychologists are interested in the brain
C.
psychologist are more interested in behavior
D.
the relationship between learning, brain and behavior
查看完整题目与答案
【多选题】please choose there types of remittcance
A.
M/T
B.
L/C
C.
T/T
D.
D/A
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【单选题】苏联社会主义模式不包括()。
A.
公有制
B.
按劳分配
C.
市场经济
D.
计划经济
查看完整题目与答案
【单选题】By mentioning Elvis Presley in the last two paragraphs, the author intends to tell us ______.
A.
the role he played in rock and roll
B.
how he became a teenage idol
C.
why he went downhill
D.
how he expressed the heart and soul of rock and roll
查看完整题目与答案
【单选题】-  Could you please help me choose a dress online? ___ . My computer doesn't work.
A.
I hope so
B.
I'm afraid not
C.
I don't care
D.
I think so
查看完整题目与答案
【单选题】Please choose the right statment on cutting symbol“┏1”
A.
The cutting position is along the horizontal direction
B.
The projection direction is from the left to the right
C.
The number of "1" means the positioning axis ①
D.
The line width (thickness) of the symbol should be 1.4b
查看完整题目与答案
相关题目：
【判断题】对于理想电压源而言,不允许开路,但允许短路。
A.
正确
B.
错误
查看完整题目与答案
【多选题】苏联社会主义模式包括()。
A.
公有制
B.
按劳分配
C.
市场经济
D.
计划经济
查看完整题目与答案
【简答题】Please choose -ED ending in which group can be pronounced as /t/？
查看完整题目与答案
【单选题】组合家具可以分成容易组装及拆卸的部分,应用了()发明原理。
A.
分割
B.
分离
C.
合并
D.
局部质量
查看完整题目与答案
【单选题】In the last paragraph, the author tries to tell us ______.
A.
learning is closely related to memory
B.
psychologists are interested in the brain
C.
psychologist are more interested in behavior
D.
the relationship between learning, brain and behavior
查看完整题目与答案
【多选题】please choose there types of remittcance
A.
M/T
B.
L/C
C.
T/T
D.
D/A
查看完整题目与答案
【单选题】苏联社会主义模式不包括()。
A.
公有制
B.
按劳分配
C.
市场经济
D.
计划经济
查看完整题目与答案
【单选题】By mentioning Elvis Presley in the last two paragraphs, the author intends to tell us ______.
A.
the role he played in rock and roll
B.
how he became a teenage idol
C.
why he went downhill
D.
how he expressed the heart and soul of rock and roll
查看完整题目与答案
【单选题】-  Could you please help me choose a dress online? ___ . My computer doesn't work.
A.
I hope so
B.
I'm afraid not
C.
I don't care
D.
I think so
查看完整题目与答案
【单选题】Please choose the right statment on cutting symbol“┏1”
A.
The cutting position is along the horizontal direction
B.
The projection direction is from the left to the right
C.
The number of "1" means the positioning axis ①
D.
The line width (thickness) of the symbol should be 1.4b
查看完整题目与答案
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