求用52单片机实验板实现4*4键盘及数码管动态扫描显示的程序答:include <reg52.h> define uchar unsigned char uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00};sbit dula=P2^6;sbit wela=P2^7;uchar keyscan();uchar num,temp,num1;void delay(uchar z){ int x,y;for(x...