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5. What is the coeffcient of x7y3 in the expansion of ?(A) (B) (C) (D)
問題詳情
5. What is the coeffcient of x7y3 in the expansion of
?
(A)
(B)
(C)
(D)
參考答案
答案：
[無官方正解]
難度：
計算中
-1
書單：
沒有書單，新增
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4. What is the probability that a random, linear arrangement of the letters in AAANSYSUstarts and en
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6. What is the su of all the coefficients in the expansion of ? (A) 256； (B) 512； (C)1024； (D) 2048.
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【題組】12. (A) What’s worse (B) In other words(C) In comparison (D)According to legend
【題組】13. (A) it (B) what (C)that (D) which
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【題組】16. (A) romance (B) harmony (C)tourism (D) wisdom
On September 30, 2021, the most recent world’s fair opened in Dubai, UAE. Itmarks 170 years of inter
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