• 2022-06-01 问题

    证明:若 [tex=5.286x2.143]nNwZolSguhuyIkNe6zrEh0Gl00ryjnVW8Inqlf7hJDSHmsQsVUM0iGMyS+eMfHih+uO4nM/ZOS9cr6dyQkyQCg==[/tex][tex=4.714x2.357]V9fVXReHUrcmKJSTnoNlS/YIutsDa3VyMHeW/Ozlvu7mU6B8V0c5Iwy3n1Ethua9o2I+pfjQdNrszqy2oZKu1MUC3biZBh7PvnoK5ti07OYQNg7zO80FfeXR9/IF5ag1[/tex], [tex=0.714x1.286]yQZEV57S9rHjYvgfJydTyg==[/tex] 为包围区域 [tex=0.857x1.286]ZpwhzmyivskaH5M1X7ozaQ==[/tex] 的同面的外侧,则(1) [tex=7.429x3.286]s8lkJk4dm0uaVZ54sxh/2EenZo64zRjfgIFcNlG2j/sNQF3yALcFtiTV1QOl8bu9cH493z5bKT6Wi+efWio7JXKhzEy+fQO9GbTRUs2q7gI=[/tex][tex=3.643x2.857]WmvpBf98XjlgECVyA6V0pUK0/Bcnc3If8//BUviYJXipbqC7NK99CaEwtu8vHb1gsNbZsP4jdjOADMtZyDu3fqTGVG+JfZX4IiyqAXSBmbBHEqpobd16/PUX6DvcZn2eGDl4EsTcgsB071tkN+iovA==[/tex];(2) [tex=5.214x2.857]WmvpBf98XjlgECVyA6V0pUK0/Bcnc3If8//BUviYJXipbqC7NK99CaEwtu8vHb1g3X0Bfv/ybVapPzL88e3EzXAid4UG0U8nVod24bALHX07kCLh90aER9ffwHBgtvOmqt/HVLJDeUJ5Impury3vXw==[/tex][tex=8.5x2.786]qJCV9oMuCSSbqVGRrFO0fg5hzIiITbQb4EqCENEhbpWQSFlaE74JNCWZFOxU5C/nFc0QAn7YvtooNFrMpnOWzYS895fEa1OzAJumEGVJrnf+PeJMSj5pWXhYwwdLG6sF[/tex][tex=7.643x3.286]s8lkJk4dm0uaVZ54sxh/2EenZo64zRjfgIFcNlG2j/uBKA6y3PLY3iCPi/cQOIFPmGQUWplVTBIuYZi0HSAmH1tkVYd+zWsm4e3TOuOm4/Y=[/tex].

    证明:若 [tex=5.286x2.143]nNwZolSguhuyIkNe6zrEh0Gl00ryjnVW8Inqlf7hJDSHmsQsVUM0iGMyS+eMfHih+uO4nM/ZOS9cr6dyQkyQCg==[/tex][tex=4.714x2.357]V9fVXReHUrcmKJSTnoNlS/YIutsDa3VyMHeW/Ozlvu7mU6B8V0c5Iwy3n1Ethua9o2I+pfjQdNrszqy2oZKu1MUC3biZBh7PvnoK5ti07OYQNg7zO80FfeXR9/IF5ag1[/tex], [tex=0.714x1.286]yQZEV57S9rHjYvgfJydTyg==[/tex] 为包围区域 [tex=0.857x1.286]ZpwhzmyivskaH5M1X7ozaQ==[/tex] 的同面的外侧,则(1) [tex=7.429x3.286]s8lkJk4dm0uaVZ54sxh/2EenZo64zRjfgIFcNlG2j/sNQF3yALcFtiTV1QOl8bu9cH493z5bKT6Wi+efWio7JXKhzEy+fQO9GbTRUs2q7gI=[/tex][tex=3.643x2.857]WmvpBf98XjlgECVyA6V0pUK0/Bcnc3If8//BUviYJXipbqC7NK99CaEwtu8vHb1gsNbZsP4jdjOADMtZyDu3fqTGVG+JfZX4IiyqAXSBmbBHEqpobd16/PUX6DvcZn2eGDl4EsTcgsB071tkN+iovA==[/tex];(2) [tex=5.214x2.857]WmvpBf98XjlgECVyA6V0pUK0/Bcnc3If8//BUviYJXipbqC7NK99CaEwtu8vHb1g3X0Bfv/ybVapPzL88e3EzXAid4UG0U8nVod24bALHX07kCLh90aER9ffwHBgtvOmqt/HVLJDeUJ5Impury3vXw==[/tex][tex=8.5x2.786]qJCV9oMuCSSbqVGRrFO0fg5hzIiITbQb4EqCENEhbpWQSFlaE74JNCWZFOxU5C/nFc0QAn7YvtooNFrMpnOWzYS895fEa1OzAJumEGVJrnf+PeJMSj5pWXhYwwdLG6sF[/tex][tex=7.643x3.286]s8lkJk4dm0uaVZ54sxh/2EenZo64zRjfgIFcNlG2j/uBKA6y3PLY3iCPi/cQOIFPmGQUWplVTBIuYZi0HSAmH1tkVYd+zWsm4e3TOuOm4/Y=[/tex].

  • 2022-06-19 问题

    已知函数[tex=4.643x1.286]Q2e9U1XyxLBMsCFsg3Cd2w==[/tex]满足方程[tex=14.714x2.357]V9fVXReHUrcmKJSTnoNlS/YIutsDa3VyMHeW/Ozlvu6aCOCl9nJxBO5q2LZN+RPOxwUpvCHg4ldmvdd8Hcew28x9yb69jwKzmlGwbdtDDWUGw93MM62pkM2eAynmjk0N/sxrFZ2XYj0wg+7sbO85VWkIOu0u8hq23RoEcPxdGtbmSIVZzBIC+eurje1bwbcHiqIDmyQ3+hN4WEpSf6L3Tg==[/tex],(1)试选择参数[tex=0.643x1.286]vYiGJJ9TAtvnQmM1PsOB8g==[/tex],[tex=0.643x1.286]mI2l8V/Tmuo7C2MtPPAzQQ==[/tex],利用变换[tex=9.643x1.286]lG//pp3jkxJROCr2FFJb/VcM1cOO7R0vMtobdoLdeEi+vNdPAOxvQ6GzArfBWRPn[/tex]将原方程变形,使新方程中不出现一阶偏导数项;(2)再令[tex=4.071x1.286]/GQ8YWkvfBP7euDv9qzboA==[/tex],[tex=4.071x1.286]6B4xoPjdd1wVwLrSNH7srQ==[/tex],使新方程变换形式。

    已知函数[tex=4.643x1.286]Q2e9U1XyxLBMsCFsg3Cd2w==[/tex]满足方程[tex=14.714x2.357]V9fVXReHUrcmKJSTnoNlS/YIutsDa3VyMHeW/Ozlvu6aCOCl9nJxBO5q2LZN+RPOxwUpvCHg4ldmvdd8Hcew28x9yb69jwKzmlGwbdtDDWUGw93MM62pkM2eAynmjk0N/sxrFZ2XYj0wg+7sbO85VWkIOu0u8hq23RoEcPxdGtbmSIVZzBIC+eurje1bwbcHiqIDmyQ3+hN4WEpSf6L3Tg==[/tex],(1)试选择参数[tex=0.643x1.286]vYiGJJ9TAtvnQmM1PsOB8g==[/tex],[tex=0.643x1.286]mI2l8V/Tmuo7C2MtPPAzQQ==[/tex],利用变换[tex=9.643x1.286]lG//pp3jkxJROCr2FFJb/VcM1cOO7R0vMtobdoLdeEi+vNdPAOxvQ6GzArfBWRPn[/tex]将原方程变形,使新方程中不出现一阶偏导数项;(2)再令[tex=4.071x1.286]/GQ8YWkvfBP7euDv9qzboA==[/tex],[tex=4.071x1.286]6B4xoPjdd1wVwLrSNH7srQ==[/tex],使新方程变换形式。

  • 2021-04-14 问题

    函数的定义域是/ananas/latex/p/1132315: (-∞, -3)∪(-3, +∞)|(-∞, -3)∪(-3, 3)∪(3, +∞)|(-∞, -3)∪(3, +∞)|(-∞, 3)∪(3, +∞)

    函数的定义域是/ananas/latex/p/1132315: (-∞, -3)∪(-3, +∞)|(-∞, -3)∪(-3, 3)∪(3, +∞)|(-∞, -3)∪(3, +∞)|(-∞, 3)∪(3, +∞)

  • 2021-04-14 问题

    智慧职教: 按自然数的乘法按定义计算3×5. 解   由定义5知3x5=(3x4) 3 =[(3x3) 3] 3 ={[(3x2) 3] 3} 3 ={{[(3x1) 3] 3} 3} 3 ={{[(3 3) 3] 3} 3} ={[(6 3) 3] 3} =(9 3) 3 =12 3=15 上述计算是(   )的

    智慧职教: 按自然数的乘法按定义计算3×5. 解   由定义5知3x5=(3x4) 3 =[(3x3) 3] 3 ={[(3x2) 3] 3} 3 ={{[(3x1) 3] 3} 3} 3 ={{[(3 3) 3] 3} 3} ={[(6 3) 3] 3} =(9 3) 3 =12 3=15 上述计算是(   )的

  • 2021-04-14 问题

    3√3—/3√3/

    3√3—/3√3/

  • 2022-06-14 问题

    下列各项中,哪一项不是Kirsch边缘检测中构建的模板() A: [5 5 5;-3 0 -3;-3 -3 -3] B: [-3 5 5;-3 0 5;-3 -3 -3] C: [5 5 5;-3 -3 0;-3 -3 -3] D: [-3 -3 -3;-3 0 -3;5 5 5]

    下列各项中,哪一项不是Kirsch边缘检测中构建的模板() A: [5 5 5;-3 0 -3;-3 -3 -3] B: [-3 5 5;-3 0 5;-3 -3 -3] C: [5 5 5;-3 -3 0;-3 -3 -3] D: [-3 -3 -3;-3 0 -3;5 5 5]

  • 2022-06-28 问题

    3⊥3与3┬3舌轴嵴形态的区别是() A: 舌轴嵴3┬3与3┬3同样明显 B: 舌轴嵴3┬3不如3⊥3明显 C: 舌轴嵴3┬3比3⊥3明显 D: 舌轴嵴3┬3与3⊥3均不明显

    3⊥3与3┬3舌轴嵴形态的区别是() A: 舌轴嵴3┬3与3┬3同样明显 B: 舌轴嵴3┬3不如3⊥3明显 C: 舌轴嵴3┬3比3⊥3明显 D: 舌轴嵴3┬3与3⊥3均不明显

  • 2021-04-14 问题

    ????3???3?3????????????

    ????3???3?3????????????

  • 2021-04-14 问题

    第 31 题 11/3 , 7/3 , 1, , -5/3 A.7/3 B.-1/3 C.5/3 D.4/3

    第 31 题 11/3 , 7/3 , 1, , -5/3 A.7/3 B.-1/3 C.5/3 D.4/3

  • 2022-06-06 问题

    与集合{x||x|=3}相等的集合为 A: {3} B: {-3) C: 3,-3 D: {3,-3}

    与集合{x||x|=3}相等的集合为 A: {3} B: {-3) C: 3,-3 D: {3,-3}

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