• 2022-07-23
    如图所示,已知 [tex=25.857x1.429]x301n/y6fptz5vZf8Y0FkOACUVyrBw0d+aFQ4s20QdPq85z2DObzl+V6Z+mTy+tCa5PvItzjL3fK8oSQZUe0uQMcWPX6PXoosZwOm20uWPLhmpKChovPcOYGCaKcj56uGkJ4SPHcGWZPdqO5kTBsMA==[/tex] 求 [tex=0.857x1.0]lLP18SVQoP7yuXI8vBZneQ==[/tex]点、[tex=0.786x1.0]ri6gmnf1+J9dGqG5/1sV6A==[/tex] 点、[tex=0.786x1.0]Yn3GgEZev6SOu2r4v1WnCw==[/tex] 点和[tex=0.714x1.0]YiLkHgl7MlxE+QjUplQUKA==[/tex]点的电势; [img=256x255]17a9db6159e804d.png[/img]
  • 解   由点电荷电势公式及迭加原理得 [tex=13.357x2.929]hrP0UirvL0/3m8JOAnbMnY3DzO3XAFFfKnsrVNSm/miohQq7csDFBOo3EhOsFqTIWB72fEnoJfE5PyxBYS8LsV2XP6jfFXj6k01QhRukbNCX9D4rO5hPgSfEfK4r09lf4fkHM9h861ugcHq+UOwVnFeIJ7Sce3VsxrprKoDv6c3H9m2046X6sFQjYee518rTj3PqFrG/BlthAT/5YO20Rg==[/tex][tex=11.857x3.786]5v0+SdQ0s/B0ZQzTWgBXuq6tJ+tqdcr1dljVcWv9FokC78Bm1IaVP/RES8QTHcCNbvaWD72u03VZXx+4gsAg0t+ceOftxuQRXG56RtnizZ+1MnvC8w4iyf/ZibnxueQ48sWqWkl7W9w2u9AL6aXd+ug7x3/4FZsNoIMeJbX3mQh3PjuZCEp5PjVUYhid/rIh[/tex][tex=14.214x3.357]VxvG3vuY7zWZxhQNrDjfc5OLia/MSLEnCkJ1EVgaxRSiXfG5GSYHRf8V7h1KnSnRB87sqjlJRozNHPRMGof7kziJMooCHwypNumdUIqUfedOAqpAA1f6Y+wubAOwnmZOYCAMqTv+ZRR/WQXPJImtUok8O/LxStngb1Zw7EXPfUM=[/tex][tex=24.786x8.071]ifE9NWj3X6IpRVSt3T5ITg3VOzDllJ6BX7G4lD2wzlILVlXa/nFMby6DdcfWHYtGJZSZMeWf0bXFnLD6907RNNWBuJ/c0y9RRy14fLVjo9FCvp3QziJ3V317gmSVSIXQAsNK2HVrmqaPF5JrJy42HGE0zQ2z38A2sVtkIiNrtHDdCNJA2gA87idOHaWHTfFuLkImHsV7RI1Mq62m2vhaeRK6sQKB3QmNGDjp6nSatsdPAUl4ZAogWIalhj5fai5RbKiStj8PNYdgpnofBY0KiQ1jSXuim/A5fkVUQRTYfUl6+OeYNM6P1Nq7bcD508VOGpeeasfl37PbFGv952H/hg7JOwcwdHM2Mu+w+TnFon+aTqrEMKQXvqT4WVRuo1USV4GCsfFBgC+2uc06yY5snV31KltDDmse1hILoGvX89PwRJaGum91fqNcPwiYFfQHYdig21BHoG0QwWHfGGSY4g==[/tex]

    举一反三

    内容

    • 0

      输出九九乘法表。 1 2 3 4 5 6 7 8 9 --------------------------------------------------------------------- 1*1=1 2*1=2 2*2=4 3*1=3 3*2=6 3*3=9 4*1=4 4*2=8 4*3=12 4*4=16 5*1=5 5*2=10 5*3=15 5*4=20 5*5=25 6*1=6 6*2=12 6*3=18 6*4=24 6*5=30 6*6=36 7*1=7 7*2=14 7*3=21 7*4=28 7*5=35 7*6=42 7*7=49 8*1=8 8*2=16 8*3=24 8*4=32 8*5=40 8*6=48 8*7=56 8*8=64 9*1=9 9*2=18 9*3=27 9*4=36 9*5=45 9*6=54 9*7=63 9*8=72 9*9=81

    • 1

      以下创建数组的方式错误的是() A: shortx[];x={1,2,3,4,5,6}; B: shortx[]=newshort[6];x[0]=9;x[1]=8;x[2]=7;x[3]=6;x[4]=5;x[5]=4; C: shortx[]=newshort[6];intlen=x.length;for(inti=0;i

    • 2

      【计算题】5 ×8= 6×4= 7×7= 9×5= 2×3= 9 ×2= 8×9= 7×8= 5×5= 4×3= 5+8= 6 ×6= 3×7= 4×8= 9×3= 1 ×2= 9×9= 6×8= 8×0= 4×7=

    • 3

      设点[tex=0.714x1.0]J/aA9EEo0KmJFnWWfX7LmQ==[/tex]分线段[tex=1.571x1.0]JLMbVw4e37VvhkU494+8Ew==[/tex]成5:2,点[tex=0.786x1.0]Yn3GgEZev6SOu2r4v1WnCw==[/tex]的坐标为[tex=3.214x1.357]T5eFhnPu0rsIoQnWYaiYKg==[/tex],点[tex=0.714x1.0]J/aA9EEo0KmJFnWWfX7LmQ==[/tex]坐标为[tex=3.214x1.357]zTAzSgXh1TiduADsLhWXzg==[/tex],求点[tex=0.786x1.0]ri6gmnf1+J9dGqG5/1sV6A==[/tex]的坐标。

    • 4

      输出九九乘法表。 1*1=1 2*1=2 2*2=4 3*1=3 3*2=6 3*3=9 4*1=4 4*2=8 4*3=12 4*4=16 5*1=5 5*2=10 5*3=15 5*4=20 5*5=25 6*1=6 6*2=12 6*3=18 6*4=24 6*5=30 6*6=36 7*1=7 7*2=14 7*3=21 7*4=28 7*5=35 7*6=42 7*7=49 8*1=8 8*2=16 8*3=24 8*4=32 8*5=40 8*6=48 8*7=56 8*8=64 9*1=9