【单选题】
若函数<img src=https://huaweicloudobs.ahjxjy.cn/802261A0E3012567266ED452BD0DD297.png title=)}IL}@47QTNNS[C[9()`%RO.png alt=)}IL}@47QTNNS[C[9()`%RO.png/>处微分<img src=https://huaweicloudobs.ahjxjy.cn/A13BEF84A0026EA5EA0E993B9EDA6F95.png title=P46KS@TPM(KBG275JO}%EML.png alt=P46KS@TPM(KBG275JO}%EML.png/>是( )
①
<img src=https://huaweicloudobs.ahjxjy.cn/01503A0FA1F5CC67D815039B5A95225A.png title=F3N8WE08L3K@%P0@}D}3JCB.png alt=F3N8WE08L3K@%P0@}D}3JCB.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/74DAF3C6F21FABD8B416C40E56A621D4.png title=]E2%KPB[SEERZ)3$_C3}167.png alt=]E2%KPB[SEERZ)3$_C3}167.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/5360AF12399DB3D4F1B6A2FF1564DDC9.png title=R3(W43634D9]YKNDPT)ZW5N.png alt=R3(W43634D9]YKNDPT)ZW5N.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/8CEA2B9B864516E18734982C1C0E8972.png title=$BOB_$434%56A7XRVXUD`D5.png alt=$BOB_$434%56A7XRVXUD`D5.png/>
【单选题】
设<img src=https://huaweicloudobs.ahjxjy.cn/8096A3C7266FC002FECAAD208441F7DA.png title=`YUYXW6%X{B[5W]QD)I%1A2.png alt=`YUYXW6%X{B[5W]QD)I%1A2.png/>( )
①
<img src=https://huaweicloudobs.ahjxjy.cn/8DC0F4E0109A6D0FD920A167E9FB39D0.png title=)4DX7S7LGRM}8EHTUU`U$V4.png alt=)4DX7S7LGRM}8EHTUU`U$V4.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/40AD348EFFA3021429D08387365F52D1.png title=~6QNZ4@D%$U26G]$AWI1BAB.png alt=~6QNZ4@D%$U26G]$AWI1BAB.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/66278247E363481B3190D3C3D3E16B75.png title=5DV]Z~9M}9C5_`E%CF5X)43.png alt=5DV]Z~9M}9C5_`E%CF5X)43.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/3621937D47DD2ECD4654A4891BA1DF6D.png title=X3BGVD$)91Q0647PMDVV400.png alt=X3BGVD$)91Q0647PMDVV400.png/>
【单选题】
设<img src=https://huaweicloudobs.ahjxjy.cn/EBDE6789F346120DFCDBEF2F3936AD22.png style=vertical-align: middle;/>,则<img src=https://huaweicloudobs.ahjxjy.cn/894687DD19001E042CA2924EEB3A112F.png style=vertical-align: middle;/>
【单选题】
若<img src=https://huaweicloudobs.ahjxjy.cn/73EA87421D1003FD10EDCD61BB44EF18.png style=vertical-align: middle;/>,则极限<img src=https://huaweicloudobs.ahjxjy.cn/7552144FDD8493C00019EC4D540ECB41.png style=vertical-align: middle;/>
【单选题】
设<img src=https://huaweicloudobs.ahjxjy.cn/FDDB6E2DBB2D6DFB8DA1DED668BD9E23.png title=Z7QS8GZV5%(](L96HRPM)$B.png alt=Z7QS8GZV5%(](L96HRPM)$B.png/>( )
①
<img src=https://huaweicloudobs.ahjxjy.cn/0B18B8C08AC286FBB7F9CAF19DD77252.png title=9M{N224@IWFQSWQQC4}%3MA.png alt=9M{N224@IWFQSWQQC4}%3MA.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/077FBF15637AF2A79DA5B575604B2842.png title=WGOO4EY~4LV_[A8}O04O}05.png alt=WGOO4EY~4LV_[A8}O04O}05.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/90FC3FE58B42C546498026F1E1E86CDE.png title=GS@S@(8SUAPTUJO0}QJ_IS4.png alt=GS@S@(8SUAPTUJO0}QJ_IS4.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/15E830718A306414064548C11A237941.png title=QYVV3M8(~O`7HNPT8CGG]B0.png alt=QYVV3M8(~O`7HNPT8CGG]B0.png/>
【单选题】
两曲线<img src=https://huaweicloudobs.ahjxjy.cn/6883A406399BBB9D119A0D41A5539CE0.png title=IIP{9L$[NK3GW962RV(UJWB.png alt=IIP{9L$[NK3GW962RV(UJWB.png/>相切于点<img src=https://huaweicloudobs.ahjxjy.cn/9A3E811D7C7F53902AC4AEEAEB8AA2FB.png title=65L2]5]}V1%5])[T6}WCW8Q.png alt=65L2]5]}V1%5])[T6}WCW8Q.png/>处,则<img src=https://huaweicloudobs.ahjxjy.cn/FC152B17CFF419866D961C0837B93D02.png title=PI8E7)_BD9`@V)FPFDG7RSL.png alt=PI8E7)_BD9`@V)FPFDG7RSL.png/>的值分别为
【单选题】
设<img src=https://huaweicloudobs.ahjxjy.cn/D4B2005D29B8477C2B81A4234978680C.png title=O_ZL_ORG75N``MHT{6E(F%K.png alt=O_ZL_ORG75N``MHT{6E(F%K.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/94062E9033E7A0DEE243ADC8E41479FB.png title=$~6A~)HN~LHOLDQPIX41L@3.png alt=$~6A~)HN~LHOLDQPIX41L@3.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/0531C7CDA558914CAF81ABE0BD5680F4.png title=`EDT)$_S8PXVVOSOEK9}N3J.png alt=`EDT)$_S8PXVVOSOEK9}N3J.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/E881D194A962C3AD776BB675DE767470.png title=~$Q[RJ~(]@%S2YEK6(AK]1E.png alt=~$Q[RJ~(]@%S2YEK6(AK]1E.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/A34C773C94F7855A0500F64FE7E0E6A2.png title=C4A75_7}%4BX)V~RPP@@FMJ.png alt=C4A75_7}%4BX)V~RPP@@FMJ.png/>
【单选题】
令 F(x): x 是汽车, G( y): y 是火车, H(x, y): x 比 y 跑得快,则命题“说所有的火车比所有的汽车跑得快是不对的”可符号化为:
①
<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/151E88A53D653382F547CC2EA5D9CEBC.png data-tex=\forall />x<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/117E6A630A0200497B87D15B90307923.png data-tex=\exists />y(F(x) <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge /> G( y) <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto /> H(x, y))
②
<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/117E6A630A0200497B87D15B90307923.png data-tex=\exists />x<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/117E6A630A0200497B87D15B90307923.png data-tex=\exists />y(F(x)<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge /> G( y)<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge /> H(x, y))
③
<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/151E88A53D653382F547CC2EA5D9CEBC.png data-tex=\forall />x<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/151E88A53D653382F547CC2EA5D9CEBC.png data-tex=\forall />y(F(x)<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge /> (G( y)<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto /> H(x, y)))
④
<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/117E6A630A0200497B87D15B90307923.png data-tex=\exists />x<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/151E88A53D653382F547CC2EA5D9CEBC.png data-tex=\forall />y(F(x)<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge /> G( y)<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge /> H(x, y)).
【单选题】
令 F(x): x 是汽车, G( y): y 是火车, H(x, y): x 比 y 跑得快,则命题“说有的飞机比有的汽车慢是不对的”可符号化为:
①
<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/151E88A53D653382F547CC2EA5D9CEBC.png data-tex=\forall />x<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/151E88A53D653382F547CC2EA5D9CEBC.png data-tex=\forall />y(F(x)<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge /> G( y)<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto /> <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg />H(x, y))
②
<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/117E6A630A0200497B87D15B90307923.png data-tex=\exists />x<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/117E6A630A0200497B87D15B90307923.png data-tex=\exists />y(F(x) <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge /> G( y) <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge /> <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg />H(x, y))
③
<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/151E88A53D653382F547CC2EA5D9CEBC.png data-tex=\forall />x<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/151E88A53D653382F547CC2EA5D9CEBC.png data-tex=\forall />y(F(x) <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge /> (G( y) <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge /><img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg /> H(x, y)))
④
<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/117E6A630A0200497B87D15B90307923.png data-tex=\exists />x<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/151E88A53D653382F547CC2EA5D9CEBC.png data-tex=\forall />y(F(x) <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge /> G( y)<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge /> <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg />H(x, y)).
【单选题】
令 F(x): x 是汽车, G( y): y 是火车, H(x, y): x 比 y 跑得快,则命题“有的火车比所有的汽车跑得快”可符号化为:
①
<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/117E6A630A0200497B87D15B90307923.png data-tex=\exists />x<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/117E6A630A0200497B87D15B90307923.png data-tex=\exists />y(F(x) <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge /> G( y) <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge /> H(x, y))
②
<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/151E88A53D653382F547CC2EA5D9CEBC.png data-tex=\forall />x<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/117E6A630A0200497B87D15B90307923.png data-tex=\exists />y(F(x)<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge /> G( y)<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto /> H(x, y))
③
<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/117E6A630A0200497B87D15B90307923.png data-tex=\exists />x<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/151E88A53D653382F547CC2EA5D9CEBC.png data-tex=\forall />y(F(x)<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge /> (G( y)<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto /> H(x, y)))
④
<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/117E6A630A0200497B87D15B90307923.png data-tex=\exists />x<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/151E88A53D653382F547CC2EA5D9CEBC.png data-tex=\forall />y(F(x)<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge /> G( y)<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge /> H(x, y)).