Maths
回答 (4)
2007-09-01 2:56 am
✔ 最佳答案
8+7-12+80-(36+20)+100-59+12=8+7-12+80-56+100-59+12
=15-12+80-56+100-59+12
=3+80-56+100-59+12
=83-56+100-59+12
=27+100-59+12
=127-59+12
=68+12
=80
參考: me
2007-09-01 4:16 am
8+7-12+80-(36+20)+100-59+12=80
2007-09-01 3:47 am
the answer is:80
收錄日期: 2021-04-13 18:31:43
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070831000051KK05074