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0838
1.[单项选择题]设A,B,C是三个事件，则A,B,C都不发生可表示为.
A.?<imgsrc="data:image/png;base64,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"/>
B.?<imgsrc="data:image/png;base64,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"/>
C.?<imgsrc="data:image/png;base64,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"/>
D.?<imgsrc="data:image/png;base64,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"/>
正确答案:B
2.[单项选择题]空间直角坐标系中，与xOy坐标面距离为m(m>0)的平面方程为.
A.?<imgsrc="data:image/png;base64,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"/>
B.?<imgsrc="data:image/png;base64,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"/>
C.?<imgsrc="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAD4AAAAeCAYAAAB0ba1yAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAHJSURBVFhH7Zg/bsIwFMa/9CzAEHECc4KIhRt0MyNd2CoBcxdnDFtvkCk5AZwAMZDcxX0vcQqkASWklajsn7Dw5xjsz3+erXiagIW8mG/rcMZtwxm3jSc3niOczJEa9Zu4GbcNa42Db25tSST4lqchlM5MGRVe6558t3EryYRraWl0ITOlRaElPWnQDXSa8SDS4J5hf0RmyhAsocYmXyOde/C8O2n+M2wVbdAtukwZlJCgzp/LooBrIdIJJAR8hJi8Ap+FJvKabmCz2Tyw1Ic+NXfAKTeah8CfYmDUJdcmGlJh4kHSGFsxxjEmk7sFBqzJacymKy18DE31CjbNdDc+GGGMPY5myvPwhNGiyfbfksZbWnkH+EsyWWn6zNi00fK9zFdUppl+wY2W1QemtPCaeWSptyPH6UA7ONmhHPMU7FsmkekLa4lZrWOr1crkCFpyHcm0EtBCKS1/Mah1goPXvQDLmqJepqRWDR1cr9fFXutIafxexOxDm6ieKUEDf3bEvymiu6H6j8s6dR56EZGmKYKgR2B6AtrtcT4iJiHtLL47e4hv7ur/Q/vgtn/D0CsOSPQ5hZ4F987NNpxx23DGbcMZtw1n3C6AL/bAEOJJbWRtAAAAAElFTkSuQmCC"/>
D.?<imgsrc="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADwAAAAeCAYAAABwmH1PAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAEVSURBVFhH7ZgBDoMgDADZnsX+032HfYY9hv2FtVIVcXOCbllqLyFaqaQnYKKniJgDcebjYVBh6aiwdFRYOiosHRX+Lx7mdrmaO0d7oDMsncMJG/o8rCNEZw19UmbNRhe4eyMeyrGLBr7PjMDXukvBRdvFgD0vYqZeOPjoMzkqcKihYH3x76CHOy14Cknjw/YoZx1mU4z5JJvHnE00zPDIkuw+fBD2EA32A5Acx4BxJ9v38znTLPx9WWJZOK2gcTuleMx/VWOT8FrZVMBC27Sk07tkHCLt6Wk8v7daeCbrcU/z6U8Z9ilTLt9ueXtMg8kLtUo4ONswS3WsXRVUi81Myonox8lzCP1rKR0Vlo4KS0eFZWPME+JMoJxc/aK0AAAAAElFTkSuQmCC"/>
正确答案
3.[单项选择题]下列不定积分正确的是.
A.?<imgsrc="data:image/png;base64,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"/>
B.?<imgsrc="data:image/png;base64,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"/>
C.?<imgsrc="data:image/png;base64,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"/>
D.?<imgsrc="data:image/png;base64,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"/>
正确答案:B
4.[单项选择题]设f(x)的一个原函数为lnx，则.
A.?<imgsrc="data:image/png;base64,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"/>
B.?<imgsrc="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADYAAAApCAYAAAB+xdqTAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAFsSURBVGhD7ZkxboMwFEC/e5Y0Q8UJzAmiLJlYu8HYLDlFFnukp2CCG/QEVYaYu7jf8IMipcrkb9fUT7LAAQme7P/5doRFYIW80HF1BBQbQZcCRKnxjJ9AYgM04hWOX9QNQCCxHbQYykZJ6vOTYyw1slhqZLHUCCpmLgE/ZK5W5Ke3NT7KPW5u0ipDl5jIRXBqZLHU+H9iQ4NrJ/GkNQPd+TfxmhWdsA98vFJO96kRScxtFcyxWmqeHZAoYqO+wgEjAEstKI5n1GTAxVhM+pqnbowfY28V7Dd07pG4YkMD3fYDGLwiiqGU6A7Q7qjvG5qSQTFKum/n0uqeLniER6yv6aXvEsPtN6ks8xpzgnXEppHB4bgdQ8I7FY2yEkdJcu8D/AJv8tjsoUKzYsuR957DKjbqM1wKCZ9d+CUOnxim83c4QXuqQH5fp//ERt0AU2n4CE1JbyypfEkWxio5p/WQsZbXY6mRxVJjpWIAP43l7BC9pMayAAAAAElFTkSuQmCC"/>
C.?<imgsrc="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABsAAAApCAYAAADEZlLzAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAECSURBVFhH7Zc/DoIwFId/9Szo5AnKCYy7qxusLpzCBUY9hRPcwBMYBuEuzwdWTYx/HuXFwfRLgNI0+QL9tTxAIhrKLQg255Y/E3ylQmqm2Bzd7QgEsgV2RGj40cYikOkRZCoEGZpaYaG5xf2BkhIe1g29HpZyz23EdKfe+gNCQFT4X9nbNBpjXOszQ8Icoq9CkKkQZCp8l1Vpv5sYE6Non/riArcuEd0OIoErYkJS3q8+iGVsIS7AyfrWBIx8zqIlVmybzyLXMRyxrC22qOcW+0PleoYjk3Eg1siwy1awp3MfirZIH4GR4l7nS/owdOXbPRDup9Bz7sL3TIUgU+GHMuACPQUjZxSVWBkAAAAASUVORK5CYII="/>
D.?<imgsrc="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACUAAAAkCAYAAAAOwvOmAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAEBSURBVFhH7ZexDcIwEEW/mYVQMYEzAQxAS5eU0NAxhDMCLRUNyQQwAaJJdjE2OaE0SHdgpEjck6z44ubl7hzZxgcwMib0HBUqxUWluKgUF5XiolJcVIrLf0g1pYEpmziBMSXCTE48T6WmdtbboqZIzk/Kl2GO1W5BkZwfSDU4H2+4txR+QFqprkJuTphd9sDSIK86WhBCZRTQemcRz/XPYV1L79MhzFSHKl8DBx8/Br51wDZD3GxJ6d2Y1MUrQ8OROlvynrIOQaHPFI3LZkqLaZBLXe/4YmPxiOniQ01uXZgRoaSpyyeUitS+GPbUF3/ud+i1nYtKcVEpLirFZYRSwAPWmeUt0zagVAAAAABJRU5ErkJggg=="/>
5.[单项选择题]设z=x2–2y,则=().
A.-2y
B.-2
C.2x-2y
D.2x
6.[单项选择题]下列级数中，发散的是.
A.?<imgsrc="data:image/png;base64,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"/>
B.?<imgsrc="data:image/png;base64,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"/>
C.?<imgsrc="data:image/png;base64,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"/>
D.?<imgsrc="data:image/png;base64,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"/>
7.[单项选择题]设函数，求=.
A.B.?<imgsrc="data:image/png;base64,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"/>
B.?<imgsrc="data:image/png;base64,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"/>
C.?<imgsrc="data:image/png;base64,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"/>
D.?<imgsrc="data:image/png;base64,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"/>
8.[单项选择题]函数是微分方程()的解.
A.E.?<imgsrc="data:image/png;base64,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"/>
B.?<imgsrc="data:image/png;base64,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"/>
C.?<imgsrc="data:image/png;base64,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"/>
D.?<imgsrc="data:image/png;base64,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"/>
9.[单项选择题]设A与B是互逆事件，则下式中不成立的是.
A.?<imgsrc="data:image/png;base64,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"/>
B.?<imgsrc="data:image/png;base64,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"/>
C.?<imgsrc="data:image/png;base64,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"/>
D.?<imgsrc="data:image/png;base64,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"/>
10.[单项选择题]数列0,1,0,1,0,1,…..
A.发散
B.以上结论都不对
C.收敛到1
D.收敛于0
11.[单项选择题]幂级数的收敛半径为.
A.2
B.1/2
C.∞
D.1
12.[单项选择题]微分方程的通解为，其中C为任意常数.
A.?<imgsrc="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAH8AAAAwCAYAAAA4s6WqAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAPbSURBVHhe7Zw/duIwEMY/71mAgscJzAlMGqq06ewyaei2TJfGLqHbdisqc4LkBDwK7Lt4R7KMBfgvxtkYze89gTG2kPTNSCNZiZUQYIzkl3pnDITFNxgW32BYfINh8Q2GxTcYFt9gWHyDYfEHT4xgbsGaB3TUDhZ/0OzgWWO8famPLWHxB42DdZIg8m31uR0svsGw+AbD4hsMi28wLL7BsPgGw+I/ANHhton+wMQXixoevZYhvrfglV/wY9h5Fiwqa5rmCMTy3M6jstfVUSet72JDh19vGGf5NGQ44lPDWNYWy2QNR50aJLIeJBhCiO2TafoDvJARLPaYjh2soyneGwmZLvLk+XzidaS+agLdNADCxIVLrz+VKPHtBuULXbFZNnELL6Q62j7lpIj8xO65zoPw/J23wN5fDdvj4wBz0T+7IdZlFZlNcHLc0Sv++Hss+hzDlBHcROhCWjJ0ixXWrX/ujPB6O/EvMox8O/1tmTIPEddmnpUdC69U1xW7XI7yTOi/l52rrFO956flva5HJT17f/duXzaOXkBqCLe4oU7GUpaKxLnKnxCNookR+T59n4ot8nHD/PjU4DKfZo0vhaKyZO/11ImvDLC1U+jGfH+6iy+tU2/UMPFbmXc1qccUiC+EvWwVdV6e1o8FV+WsQN1rV1zczpCVMbZWMb2vqhxd6D7mjyaY4QuHKP0YB0dMWoWcN0Dj4Wfkw94s0qlS43ExL2cloyc8k/qzSXk9nLUeZUcgzwdJm58rHdi7k08Rq1Md9w34KKj5wFNpYHY+ty1IBSKOJjN1dIEwANHI5IIgI7hnXBQHHzjMbGy298rUwZKKSRmWzN9jBF75TpxLI8yNrjrVcQfxx5iSl+yPAbwXYFXh9efeUpCKvMVZwsUeR71lyMiCrBWdNYT++7MLOkDz8BessF49w94fpSBx4LVaPCnCWVFPhQ0WVws4YqFGNlwe6WfER6q5i2VfnQg1ekeyaLq/qFSMr2fjXjbmZ0mOpXqQpyca50P9+uJx/zR7yIOE0yyhfsytC/gy8jzzVH5f84DzNu4gPjU7Rdf9IoRtGKw9DKLO/TmU4LZuXyxYyN2i6c7Rbe/LL2LJ8xl/x+3WroeLGAoWQNjzUrYygnacut3v9sb+veH/83115H/OYDCDWNtn+oHFNxgWf8iovQGnzSD6uQZ/vsVj/gMQB3OMD78RTd/le9OlZRb/ERBT7/Eb4Ef4bPFchbv9R6DBg6giWPwH4NYHUSz+0OnwIIrFHygiyJNR/XaZjvOi64fYvm1JY2gy9HPAZzDs+QbD4hsMi28wLL6xAP8A+iDHheEKjdYAAAAASUVORK5CYII="/>
B.?<imgsrc="data:image/png;base64,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"/>
C.?<imgsrc="data:image/png;base64,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"/>
D.?<imgsrc="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAIIAAAAxCAYAAAAWXXEmAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAPzSURBVHhe7Zy/cqpAFMY/7rOoRcYnwCfANFZp00GZNHZ3JpOZdGmg1C7trazwCZIncCyEd+GePYBsIiB/RCOe38xGILDunv129+xhEyMiINw8f5JP4cYRIQiMCEFgRAgCI0IQGBGCwIgQBEaEIDAiBIERIfSCEN7EgDHx6KgZIoSrZw3HGOL5KzltiAjh6rGwiCIErpmcN0OEIDAiBIERIQiMCEFgRAgCI0IQGBFCTwi27QIJv0QIKiji0M9TofIz4Jwuw85YOwYMKmucJvBUaHDtUNmr2iSu63RJh1/PGKZ51OTyQqBKG8YKs2gBK7l0E3C9qQHhQ+0fjtMH8EiCmG5wN7SwCO7wdrRh44BSlscnngbJr+pAD18QP7Jh088+EESuWbEuvq12jkd27s1kE9Ol3BICNzLPYKOLjghrZ4qNO7+tkSD0MFHjuO1jUVTx8Qj7Tj14woe7wbTreS4RxAG+DVYtdHUqJevnrVCjgRm5LTMLXDMuJ6e056i80x6XHqsem9yX3xUzkh4LvXzptcL6VxsR4vLWrPcZRoXyqYErrxeAKmvnG2IvnKL00/gHeTdAGUhrmMB1Kb+44dV32n52vDc+f2+1huBGo3Knn+VUEUIixtqdSRd2N5QLgZWoG82P3FpSLibuGYeGqyUoLt+Pa4rkOl/WjxUHdSohedYsuLm2+FORHlw/RvxcUTlOQbmPMBhhjC9sg/g09HYYNXJJq2MtdA84J+kTK82fn4ELczmNl1+V59GsTqUM7vFAShiP8uv8vawBaEQANXF+WU9MtuQsT1V4fX2tsXwkJ+cd94WO3ff1cE760UiD0Tg5aokSgzI6dU+QIE7pU4XeO7ZjE8vVqTK1MKNiUoYF8YEQnlO8y0gXZCbA8lSFl5eXY0IY4o56xGbnwXkE5iWjQa2erLBmsLHBruneKgWJ00stai2gtLBplaEGrfMfMcdi/gBzs+PGCT2nUbBGx5rTCIYlpgfBIhUYYiNnK4aUcEeWsjHrboBhZZWQetrdeKxqjm0176U+Qpp47tUdRD2RX+Dr9+f7CftVSOZU7Fcb5WWt4iymZHlmqfjZas5qO44IgcxKnnd3qEar6LjdLMpG3XREncOpQQU8eDdsvDN21Wm4R4VRH/Bv2Cw+3n/UdDEF/DOE3xNBZOyH23P21POo/ro4r03kP6YIzEXfNQi/BxGCwIgQrp1kX8N+U4t+rcafwImP0BNCb4Lh9i+Cuzf+rBveFiH0BbXsHz4DboDPBu+DZGroC0dekB1DhNAT2r4gEyH0gRO8IBMhXDHKQeTVwWoW+wVqeoDa0m6wMOq4CuIsCoyMCAIjQhAYEYLAiBAEAvgPn7seQo/nLHgAAAAASUVORK5CYII="/>
13.[单项选择题]设A与B是独立事件，则.
A.?<imgsrc="data:image/png;base64,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"/>
B.?<imgsrc="data:image/png;base64,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"/>
C.?<imgsrc="data:image/png;base64,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"/>
D.?<imgsrc="data:image/png;base64,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"/>
14.[单项选择题]若，则.
A.存在
B.?<imgsrc="data:image/png;base64,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"/>
C.=a，当a>0时
D.不存在
15.[单项选择题]等比级数收敛到
A.2
B.3
C.1
D.4
16.[单项选择题]微分方程的通解中有个任意常数.
A.3
B.0
C.1
D.2
17.[单项选择题]微分方程的通解为.
A.?<imgsrc="data:image/png;base64,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"/>
B.?<imgsrc="data:image/png;base64,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"/>
C.?<imgsrc="data:image/png;base64,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"/>
D.?<imgsrc="data:image/png;base64,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"/>
18.[单项选择题]设f(x)是随机变量X的密度函数，则不正确的是.
A.?<imgsrc="data:image/png;base64,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"/>
B.?<imgsrc="data:image/png;base64,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"/>
C.?<imgsrc="data:image/png;base64,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"/>
D.?<imgsrc="data:image/png;base64,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"/>
19.[单项选择题]要使函数在上连续，则=.
A.A.0
B.C.2
C.1
D.-1
20.[单项选择题]已知随机变量X的密度函数，则D(X)=.
A.D.1/4
B.1/16
C.1/18
D.1/3
21.[单项选择题]数列0,1,0,,0,,0,,….,0,,….
A.发散
B.收敛于0
C.以上结论都不对
D.收敛到1
22.[单项选择题]不定积分=.
A.F.?<imgsrc="data:image/png;base64,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"/>
B.?<imgsrc="data:image/png;base64,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"/>
C.?<imgsrc="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEMAAAAiCAYAAAAEYmSMAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAIoSURBVGhD7Zk7csIwEIZ/5yxAkeEE4gRAQ0WbzpSkSZcb0Ngl6dKmosGcgJwgQyPfRVnJAi8PGwcwODP7zSixHePHp93VMgkMAcHx5H8LhMhgiAyGyGCIDIbIYNxfRhqjFwSYrPx+g7i7jNUS+KTWZrSYoGk+HtR0pYhjjem07/ebwUNqRhrPgGGzRDhsZNRFEsIgTOwGRV9oaCs7Rrfd7jeJWmVYkkgZZYXcmVy6HcpE2h00ZY9Se5q00cX47Y4psZogoNVqgMROtB+fwEuAYPCD57Y/7xROSW0kJlKqdDaqoek6FdLKpSMK7peYUEV0pWLqiwzXTyzQWb8DgwC9OPV/qAl7v8EHlaIE86JA7HbQ8psn8VJO403vco4fc5btjOW5qXYn3ZrzkaGpNu095wWUR0Z/7nJOR8DrbEXyewgWoywP10Msey+2g8r23UntB3WWKZZf3+RijGHp1J/BGjmLjow6nPld1OyPW0XH/mpwYuwVBqoHR8f+TrWa0RpiTDa6nQPtKgK9ehYZfqyn10xNTn/Or6tBaQJ61fxYYWG4nEoybMe46Sp8LA5y4HsD7TcfSx8jCg16wILvO9T+T2L6eQayXA6lgwt9myp+adJRSIXKF0++XG3PvTkVllafysedrU2haoW1UEZWnXke5itH/sI+V7fj+oaigAoyHPkz5qPK5zLkXwWM2tvx/4TIYIgMhshgiAyGyGCIDIbIYIgMhsjYAfwCIv8TpSj5fj8AAAAASUVORK5CYII="/>
D.?<imgsrc="data:image/png;base64,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"/>
23.[主观题]已知|q|<1，则极限=.
24.[主观题]定积分.
25.[主观题]在yOz平面上与A(3,1,2),B(4,-2,-2),C(0,5,1)等距离的点为.
26.[主观题]微分方程的通解为.
27.[主观题]级数的通项un=.
28.[主观题]球心在O(0,0,0)、半径为R的球面的方程为.
29.[主观题]设函数，则定积分.
30.[主观题]函数的定义域为.
31.[主观题]不定积分.
32.[主观题]设随机变量X~U[a,b]，则E(X)=.
33.[主观题]5个球中有3个红球，2个白球，从中任取一球，则取到白球的概率为.
34.[主观题]设是连续函数，则a=.
35.[主观题].
36.[主观题]由参数方程所确定的函数的导数.
37.[主观题]微分方程的阶为.
38.[主观题]设,则=.
39.[主观题]抛物线在点A(1,4)处的切线方程为.
40.[主观题]极限.
41.[主观题]曲线在点(e,2)处的切线方程是.
42.[主观题]方程表示的是柱面.
43.[主观题]函数的导数.
44.[主观题]已知,则f(0)=.
45.[主观题]函数的微分.
46.[主观题]已知，则dy=.
47.[主观题]计算不定积分.
48.[主观题]曲线,求在时对应曲线上点处的切线方程.
49.[主观题]求函数的导数.
50.[主观题]求由曲线及直线所围成的图形的面积.
51.[主观题]求极限
52.[主观题]求函数的定义域.
53.[主观题]设有点A(0,0,0)和B(1,1,2)，求线段AB的垂直平分面的方程.
54.[主观题]设,求积分的值.
55.[主观题]求极限.
56.[主观题]求极限.
57.[主观题]设，求.
58.[主观题]求函数的极值.
59.[主观题]判断级数是否收敛.若级数收敛，试求其和.
60.[主观题]已知，讨论a的取值.
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