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?
數學急.........................................................
2007-01-09 2:19 am
回答 (1)
2007-01-09 2:22 am
✔ 最佳答案
1. The area of of the cardboard= (12/4 cm)^2
= (3cm)^2
= 9cm^2
2. I am
= 42+62
=104
2007-01-08 18:24:06 補充：
第一題周界係12cm既正方形邊長就係12/4cm=3cm而佢既面積就係(3cm)^2=9cm^2第二題你係42同62既和(sum)即係42 62咪104
參考: me
收錄日期: 2021-04-12 21:32:43
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070108000051KK02977