题海让大学四年没有难题
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题目详情

单选题 =( )

A. pi/3 - 1/4

B. pi/3+ 1/4

C. pi/4 - 1/3

D. pi/4 + 1/3

大学数学实验课程封面

学科：大学数学实验

时间：2026-04-25 01:13:05

相关题目

题目1
单选题
已知矩阵<img src="https://tihai-oss-cloud.itihey.com/img/7b2b6030d6c06bb3be01691c3ffd3e34.webp"> ,矩阵B的逆= ( )
A. <img src="https://tihai-oss-cloud.itihey.com/img/f9eb0ec470dd7685ecfd6065b88cdbf3.webp">B. <img src="https://tihai-oss-cloud.itihey.com/img/24a343b37bfe0922839f769435b3ce87.webp">C. <img src="https://tihai-oss-cloud.itihey.com/img/967893924beb536fbeb142c9251f062e.webp">D. <img src="https://tihai-oss-cloud.itihey.com/img/c5f4f2da8a8a5a353f160f2d12e39ed8.webp">
题目2
多选题
在MATLAB窗口中,记录在MATLAB命令窗口执行过的指令操作的窗口不是以下哪几个( )
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题目3
单选题
<img src="https://tihai-oss-cloud.itihey.com/img/96412b381971c37e938e92384fbfea6c.webp">=( )
A. pi/3 - 1/4B. pi/3+ 1/4C. pi/4 - 1/3D. pi/4 + 1/3
题目4
单选题
求函数<img src="https://tihai-oss-cloud.itihey.com/img/3e4b66bb9680c03fef82055d9a74f08c.webp">的导数,y&prime; =( )
A. x/(a^2 - x^2)^(3/2)B. x/(a^2+x^2)^(3/2)C. x/(a^2 - x^2)^(2/3)D. x/(x^2 - a^2)^(3/2)
题目5
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设<img src="https://tihai-oss-cloud.itihey.com/img/6b5602f7273a08e7c79389bc3810bb84.webp">要使<img src="https://tihai-oss-cloud.itihey.com/img/caff2778764c5d8f6ee1aecccd8268c2.webp">在<img src="https://tihai-oss-cloud.itihey.com/img/7f59299c5191a11c0761211a7183cd90.webp">处连续,则<img src="https://tihai-oss-cloud.itihey.com/img/e322ae203fb14a5adfc6562fb2bcc915.webp">( )
A. 2B. 1C. 0D. -1
题目6
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<img src="https://tihai-oss-cloud.itihey.com/img/f1d42ed9fbf8dbab1af797eb39c6daea.webp">=( )
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题目7
单选题
<img src="https://tihai-oss-cloud.itihey.com/img/25c8b5f6979ae4ce5a73ce88e27d0f0b.webp">( )
A. <img src="https://tihai-oss-cloud.itihey.com/img/3d95072d203e06c3403d595202611bcd.webp">B. 1C. 0D. <img src="https://tihai-oss-cloud.itihey.com/img/85e1fe8850725cbb926b2b09349027fd.webp">
题目8
单选题
<img src="https://tihai-oss-cloud.itihey.com/img/8d48d0ab482c80eb831f224571605cad.webp">( )
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题目9
单选题
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题目10
单选题
<img src="https://tihai-oss-cloud.itihey.com/img/731cfd166dd1eb9f2aee5e5c6c551894.webp">( )
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