16.87-17.01+2.84=?
回答 (8)
2007-05-26 7:54 pm
✔ 最佳答案
16.87+ 2.84
-----------
19.71
-17.01
------------
2.70
=2.7
可以先加後減
2007-05-26 11:28 pm
16.87-17.01+2.84=?8.7
2007-05-26 15:28:45 補充：
係2.7唔係8.7- -''sorry
2007-05-26 15:28:45 補充：
係2.7唔係8.7- -''sorry
2007-05-26 8:30 pm
16.87-17.01+2.84
=-0.14+2.84
=2.7
=-0.14+2.84
=2.7
2007-05-26 8:03 pm
先16.87-17.01+2.84
=(16-17+2)+(0.87-0.10+0.84)
後=(-1+2)+(0.77+0.84)
=1+1.61
=2.61
=(16-17+2)+(0.87-0.10+0.84)
後=(-1+2)+(0.77+0.84)
=1+1.61
=2.61
參考: me i hope i can help you
2007-05-26 7:56 pm
first put 16.87-17.01= -0.14
second put -0.14+2.84
so the answer is 2.7
second put -0.14+2.84
so the answer is 2.7
參考: ok..?
收錄日期: 2021-04-13 13:42:07
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070526000051KK01318