1.2.3 基本算法语句 循环语句;温故而知新;例6 编写程序,使得任意输入3个整数按大到小的顺序输出;INPUT abc=abc IF b > a THEN t = a a = b b = t END IF IF c > a THEN t = a a = c c = t END IF IF c > b THEN t = b b = c c = t END IF PRINT abc END;练习巩