唔明點解係呢個答案 - 尾數 係 2.5
2011-04-11 8:01 pm
Each pen costs $6.5 . How many pens can be bought for $100 ? How much remains ?
= 100 除 6.5
= 15remains2.5
= 2.5
點解尾數係 = 2.5 ( 點計架 )
回答 (1)
2011-04-12 10:25 pm
✔ 最佳答案
6.5x15=97.5100-97.5=2.5（就系咁計）
收錄日期: 2021-04-26 00:02:02
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110411000051KK00333