include<reg51.h> sbit k1=P3^3；define uint16 unsigned int define uchar unsigned char uchar code shuzu[ ]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f}；void delay(){ uint16 i=1000；while(i--)；} void main(){ uchar n ；P2=0xfe；P1=0xff；while(1){ if...