
4A_REVIEW8-10
Quiz
•
Mathematics
•
10th - 12th Grade
•
Practice Problem
•
Hard
CHE-MING LIANG
Used 1+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6
81
216
243
729
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
若 是二階零矩陣, 是二階單位方陣,
二階方陣A的反方陣 存在,
且滿足
則下列何者為
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
設 是二階單位方陣,O是二階零矩陣。
若 且 ,
則下咧那些敘述正確?(複選題)
A=-B
A=O或B=O
BA=O
4.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
下列哪些聯立方程式有解?
5.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
將1、2、3、6等數字不重複隨機排入2×2矩陣的4個元,則此方陣沒有反方陣的機率為多少?
(若答案為5分之1,請填1/5)
6.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
7.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
電視節目業者統計某社區裝傳統第四台與串流機上盒的數量發現,全社區的人都恰只裝傳統第四台與串流機上盒其中一種,且
每季使用傳統第四台的人在下一季有40%會繼續使用,另60%會改用串流機上盒;
每季使用串流機上盒的人在下一季有80%會繼續使用,另20%會改用傳統第四台;
設滿足上述現象的轉移矩陣為A,如附圖,請問數對
(a,b,c,d)=?
(請以小數格式表示,若答案為5分之1請寫0.2)
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