InterestingMathsQ12(VeryEasy)
回答 (1)
2011-12-22 2:07 am
✔ 最佳答案
88888×77777 - 22222×44440 + 44444×66666= 88888×77777 - (22222×44444-22222x4) + 44444×66666
= 88888×77777 - 22222×44444 + 22222x4 + 44444×66666
= 11111x11111x[8x7-2x4+4×6] + 22222x4
= 11111x11111x[72] + 22222x4
= 88888x[99999 + 1]
= 8888800000
收錄日期: 2021-04-13 18:25:28
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20111221000051KK00509