利用分配律算出888×999 拜託～要怎麼算？？？？？？？？ Thank you~?
回答 (3)
2016-10-12 3:31 pm
Sol
888*999
=888*(1000－1)
=888*1000－888
=888000－888
=887112
888*999
=888*(1000－1)
=888*1000－888
=888000－888
=887112
2016-10-12 2:18 pm
999*888
=887112
=887112
收錄日期: 2021-04-18 15:45:53
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20161012052319AAU3SFA