Maths
回答 (4)
2012-08-15 3:20 pm
✔ 最佳答案
3390+6859-3521=3400-10+6800+59-3500-21(break down terms)
=3400-3500+6800-10+59-21(rearrange)
=-1000+6800-31+59(simplify some of them)
=6800-1000+59-31(rearrange again)
=6700+28
=6728
Using these steps, you can find out the answer without using the calculator.
參考: me
2012-08-15 7:10 am
3390+6859-3521=6728
2012-08-15 7:06 am
IQ題來的?
如果唔係....答案就係6728啦..
如果唔係....答案就係6728啦..
收錄日期: 2021-04-13 18:54:55
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120814000051KK00961