9-[1/2*(-1/4)-(5/8+3/40]
答案系正10又2分1
but我要ge系過程
THX!!
急急急!!come
2007-10-10 2:53 am
回答 (2)
2007-10-10 3:33 am
✔ 最佳答案
9-[1/2*(-1/4)-(5/8+3/4)]=9-[-1/8 - (5/8+ 6/8)]
=9-[-1/8 - 11/8]
=9-[-12/8]
=9+ 3/2
=10 1/2
2007-10-10 3:34 am
=9-{1/2*(-1/4)-(25/40+3/40)}
=9-(-1/8-28/40)
=9-(-5/40-28/40)
=9-(-32/40)
=9+32/40
=9又5分4
你個答案係唔係錯呀
=9-(-1/8-28/40)
=9-(-5/40-28/40)
=9-(-32/40)
=9+32/40
=9又5分4
你個答案係唔係錯呀
收錄日期: 2021-04-13 19:27:50
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https://hk.answers.yahoo.com/question/index?qid=20071009000051KK02728