用BASIC语言。FORa=1,to9,step1,FORb=0,to9,step1,FORc=0,to9,step1,FORd=0,to9,step1,IFa^4+b^4+c^4+d^4=1000a+100b+10c+d,THEN PRINT"abcd"=1000a+100b+10c+d,NEXTEND仅供参考