18.59-(8.347+6.99)=
6.88*12.55
8 3/4*?=28 (?是什麼)
a/8*b/a*8/b=
61 1/2/1 1/2
(800-1/10)-(800-1/8)
About P6 Maths(10marks)
2007-10-02 6:04 pm
回答 (1)
2007-10-02 6:14 pm
✔ 最佳答案
1) 18.59-(8.347+6.99)=3.253
2) 6.88*12.55
86.344
3) 8 3/4*?=28
=> 35/4* ?=28
=> ?=3.2
4) a/8*b/a*8/b=
1
5) 61 1/2/1 1/2
(Don't understand the question)
6) (800-1/10)-(800-1/8)
=800-1/10-800+1/8
= -1/10+1/8
= -8/80+10/80
=2/80
=1/40
參考: me
收錄日期: 2021-04-18 23:28:23
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071002000051KK00660