8 7/15*9
3 7/9*7 5/16
2 6/11*4 1/9*6 2/7
936*2/13
2 5/18*90
3 4/7*1 13/15
270*2 2/9*1 3/5
AboutP6 Maths (10marks)
2007-09-20 10:02 am
回答 (1)
2007-09-21 4:08 am
✔ 最佳答案
8 7/15*9=127/15*9
=381/5
=76 1/5
3 7/9*7 5/16
=34/9*117/16
=221/8
=27 5/8
2 6/11*4 1/9*6 2/7
=28/11*37/9*44/7
=592/9
=65 7/9
936*2/13
=72*2
=144
2 5/18*90
=41/18*90
=205
3 4/7*1 13/15
=25/7*28/15
=20/3
=6 2/3
270*2 2/9*1 3/5
=270*20/9*8/5
=30*4*8
=560
收錄日期: 2021-04-13 17:26:00
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070920000051KK00301