闪电侠第3季第七集:math ! math!!!!
来源：百度文库 编辑：查人人中国名人网 时间：2024/05/22 13:22:00
If y represents the tens digit and x the units digit of a two-digit number, then the number is representd by ........
the number is representd by 10y+x
the number is representd by 10y+x