1循环语句循环语句X 2满足条件 ?循环体是否满足条件 ?循环体是否WHILE 条件 循环体WENDDO 循环体LOOP UNTIL 条件 3开始结束i <=100 否i=1sum=0i=i+1sum=sum+i是输出 sum开始结束i >100 否i=1sum=0i=i+1sum=sum+i是输出 sum 4INPUT "n="; nflag = 1IF n > 2 THENd = 2WHILE d <= n - 1 AND flag = 1IF n MOD d = 0 THENflag = 0ELSEd = d + 1END IFWENDEND IFIF flag = 1 THENPRINT n; “ 是质数 !"ELSEPRINT n; “ 不是质数 !"END IFEND 5开始结束m2-3=0? 否x1=1, x2=2m =(x1+x2)/2x1 =m是输出 (x1,x2)输入 εm2-3<0? x2 =m|x1-x2|< ε? 否是输出 m 6开始结束n>2? 否flag=1d=2是输出 (x1,x2)输入 nd 整除 n? d<=n-1 且flag=1? 否是输出 mflag=0flag=1d 整除 n?
