dim a as integerdim sum as integersum=0for a=20 to 263sum=sum+anext asum就是累加的值啦~复制用吧~
dim i as longdim sumsum = 0for i=20 to 263sum = sum + inext i
dim i as integerdim sum as longsum=0for i = 20 to 263sum =sum+inext iprint sum
dim sum as intdim i as inti=20for (i=20;i<264;i++){ sum+=sum+i;}