exe3.m

matlab 实用教程（ppt

%test;
clear;
number=0;
for x=3:2:299;
    flag=1;i=1;j=3;n=0;
    while j<=(x^.5)&&flag;
        if rem(x,j)==0;
            flag=0;
        end   
        j=j+2;
    end
    if flag;      
a=rem(fix(x/100),10);
b=rem(fix(x/10),10);
c=rem(x,10);
d=a+b+c;
    if rem(d,2)==1;
    disp(x);
    number=number+1;
    end
    end    
end
disp('个数是：');
disp(number);