MQ1 --- Simple Calculation
2012-04-30 12:47 am
Difficulty: 10%Evaluate 88888 ∙ 77777 - 22222 ∙ 44440 + 44444∙ 66666 without using calculator.
回答 (1)
2012-04-30 12:50 am
✔ 最佳答案
88888*77777 - 22222*44440 + 44444*66666= 88888*77777 - 88888*22220 + 88888*33333
= 88888*(77777 - 11110 + 33333)
= 88888*(111110 - 11110)
= 88888*100000
= 8888800000
收錄日期: 2021-04-13 18:39:37
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120429000051KK00561