一、1.这是一道平面数字图形打印题。对于平面图形问题的处理,我们一般采取双重循环,即用外层循环控制输出行数,内层循环控制每行打印输出项个数,两层循环之间用格式函数等来确定每行第一个打印输出项的位置。数字图形一般要先找出数字产生规律。通过仔细观察我们发现,在这道题中每行第一个数字和最后一个数字与行号相同,中间的数字均为行号减1。 One, 1. This is a print digital graphic problem. For graphic graphics processing, we generally take double loop, that is, the outer loop control output lines, the inner loop control the number of printouts per line, between the two loops using a format function to determine the first line The location of the printout. Digital graphics generally first find out the law of numbers. Through careful observation we find that the first and last digits of each line in this question are the same as the line numbers, with the numbers in the middle subtracting 1 from the line numbers.