c=rem(fix(A/100),10)C=c+7d=rem(fix(A/10),10)D=d+7e=rem(A,10)E=e+7A=(B+C+D+E)/10m=b,b=d,d=mn=c,c=e,e=nA=d*1000+e*100+b*10+c2.3.A=floor(rand(1,20)*89+10)A = 11 76 49 92 51 47 85 56 28 69 84 11 70 43 84 54 73 48 37 26B=A(A s=0; for i=0:63s=s+2i;end ss = 1.8447e+019调用sum函数: n=63; i=0:n; f=2.i; s=sum(f)6.7.8.9.10.(1)s=108(2)x=4 12 20 y=2 4 6