1. You have a square piece of cardboard that has a perimeter of 12 centimeters. What is the area of the cardboard?
2. I am a number. I am the sum of 42 and 62. What number am I?
唔該~
收錄日期: 2021-05-01 10:41:22
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070115000051KK05483