下面程序的输出结果是________ #include "stdio.h" main() {int iX=3; switch(iX) { case 1: case 2: printf("iX<3 "); case 3: printf("iX=3 "); case 4: case 5: printf("iX>3 "); default: printf("iX unknow "); } }

设iX=2,iY=3, ch='a',则表达式iZ = (iX || iY)&&(ch>'A')的值是1

图示正方形对x，y轴的惯性矩阵和惯性积分别为Ix，Iy和Ixy，下列结论中哪些是正确的?（ ） (1)Ix=Iy； (2)Ix’=Iy’； (3)Ix=Ix’； (4)Ixy=Ix’y’http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/06df735ae8734b3f995cf9274f091650.png

计算下列积分[tex=7.786x2.143]/U1V+2hcpgb3y/IX1eegRW/wK+Rt5GMuPb81lgVvroB5Lh1MyQmxUevVbJ1X/Vdj[/tex]

下面程序的运行结果是 iX=80,iY=25____。void main(){ int iX,iY;iX=80;iY=25;printf("iX=%d,iY=%d\n",iX,iY);printf("iX/iY=%d,iX%iY=%d\n",iX/iY,iX%iY);}

iX=2,iY=3,ch='a',表达式iZ=(iX||iY)&&(ch>'A')的值是。 A: true B: false C: 0 D: 1

iX=2，iY=3，ch='a'，表达式iZ=(iX||iY)&amp;&amp;(ch>;'A')的值是 A: true B: false C: 0 D: 1

iX=2,iY=3,ch='a',表达式iZ=(iX||iY)&amp;&amp;(ch&gt;'A')的值是___( )_____。 A: true B: false C: 0 D: 1

void main() { int iX,iY,iM,iN; iX=10;iY=20; iM=iX++;iN=++iY; printf("iX=%d,iY=%d,iM=%d,iN=%d",iX,iY,iM,iN); iM=iX– –;iN=– –iY; printf("iX=%d,iY=%d,iM=%d,iN=%d",iX,iY,iM,iN); }

下面程序的输出结果是[br][/br] iX=3[br][/br] iX>3[br][/br]____ 。[br][/br]#include "stdio.h"[br][/br]main()[br][/br]{int iX=3;[br][/br] switch(iX)[br][/br] { case 1:[br][/br] case 2: printf("iX&#91;3\n");<br&#93; case 3: printf("iX=3\n");[br][/br] case 4:[br][/br] case 5: printf("iX>3\n");[br][/br] default: printf("iX unknow\n");[br][/br] }[br][/br]}