举一反三
- 用补码运算方法求 [tex=1.857x1.143]roeTvvk+txDQlvIM5bAPTA==[/tex] 的值。[tex=9.286x1.214]jO3nuTOTztOOET9kW/d/f+0snH7ow1Cf//2z+DYbNgU=[/tex]
- 设[tex=21.214x2.786]YHIKtHtTy6YeetIBukGWJ/+4CPibC+H1hzFh9VOwgL0S9GN2pUoehfDbgBGc5EnrdWI+XuY+Ymu+pDcK9HiZ9yXnaA2Bu4G6/6u1St7CLSMx59I82bjv1bCI2gEnrsJNql1frne8KsMSeBQW1cNKcuTaRB/F+4LAgzRxiKyGrOQiHFMyz8xDbT+BEy6KACG1U8FMEJreyBo/QSwsxRx8RDhp3OZ7UFFTQRocd2V6R+rERHrZxrt9oGOmh+8uIFvx9eVIIoeiy4uSVcNteqe6RBKTF8FWle9nj+GzCitqy6E=[/tex]且A+2B-C=O,求x,y,u,v的值.
- 设[tex=21.214x2.786]YHIKtHtTy6YeetIBukGWJ/+4CPibC+H1hzFh9VOwgL0S9GN2pUoehfDbgBGc5EnrdWI+XuY+Ymu+pDcK9HiZ9yXnaA2Bu4G6/6u1St7CLSMx59I82bjv1bCI2gEnrsJNql1frne8KsMSeBQW1cNKcuTaRB/F+4LAgzRxiKyGrOQiHFMyz8xDbT+BEy6KACG1U8FMEJreyBo/QSwsxRx8RDhp3OZ7UFFTQRocd2V6R+rERHrZxrt9oGOmh+8uIFvx9eVIIoeiy4uSVcNteqe6RBKTF8FWle9nj+GzCitqy6E=[/tex]且A+2B-C=O,求x,y,u,v的值.
- 求下列微分方程[tex=8.643x1.214]/1pHGJFamCI/MKgMfg4a9NZg2aItHG4mvHXEWpFhj/U=[/tex]
- 设二维离散随机变量[tex=2.5x1.357]PWg5V4GQQafckGNgbx6gmw==[/tex]的可能值为(0, 0),(−1, 1),(−1, 2),(1, 0),且取这些值的概率依次为1/6, 1/3, 1/12, 5/12,试求[tex=0.857x1.0]N7iCrOsS+NNEUUlnsYCi1g==[/tex]与[tex=0.643x1.0]O+viFNA0oHTwnBtQyi80Zw==[/tex] 各自的边际分布列.
内容
- 0
给定[tex=3.571x1.357]0jgNZNb5KE0SpRQgBt7oQg==[/tex],设x=0是4重插值节点,x=1是单重插值节点试求相应的Hermite插值公式,并估计误差[tex=4.071x1.357]ZHsKcW72rLaSaexOsDovRw==[/tex]
- 1
求下列函数的导函数:(1) [tex=5.0x2.357]X/CieCDGJ7iPQ3YFWuscHxHrcIE/dPFa9tFyiJXze8A=[/tex](2)[tex=6.643x1.714]Oj74y/L+OxY81QME5JWMcl+7PZ2FGQswwvjgVhjq1Dmb6dBU0oAjZBW7eFBVjqo6[/tex]
- 2
对于以下两种情形:(1)x为自变量,(2)x为中间变量,求函数[tex=2.214x1.214]sy9gaFRMGlrH59gm9bWSDg==[/tex]的[tex=1.5x1.429]5W5tOYbJ+LlsRP2dMsi4byxwtjvvL/3u7NEzPV5PWp0=[/tex]
- 3
求函数[tex=3.286x1.429]kdT+eIE7CHPynuN6CaN40g==[/tex](抛物线)隐函数的导数[tex=1.071x1.429]BUw1BPFU3fsJlAl/vt9M9w==[/tex]当x=2与y=4及当x=2与y=0时,[tex=0.786x1.357]Hq6bf3CacUy07X+VImUMaA==[/tex]等于什么?
- 4
利用微分,求下列近似值:(1)[tex=2.571x2.0]1gkPHMmDFl17xiZlURulcg==[/tex](2)[tex=2.429x1.429]USggBAjFomMY4e0NLutPiA==[/tex](3)[tex=2.143x1.214]042jw9WE645b3wxL0waCXw==[/tex](4)[tex=2.786x1.0]zIDxscziz4XQWvCmOgHhvQ==[/tex]