數學題中一
利用相容數字法估
１６１７×２５.１
＝？？？？
數學題中一
2007-01-26 6:05 am
回答 (11)
2007-01-26 6:10 am
✔ 最佳答案
用四舍五入，舍入至十位１６２０x３０
＝４８６００
2007-02-16 10:28 am
worng answer!!!! use 1600x25 is easier and more accurate. and the question said that use 相容數字法 it is clearly that the correct answer is use 40x40x25=40x1000=40000
2007-02-10 5:05 am
1617 x 25.1
=40586.7
=40586.7
2007-02-01 4:41 am
１６１７×２５.１
＝４０５８６．７
＝４０５８６．７
2007-01-26 11:27 pm
48600
2007-01-26 6:43 am
=40586.7
2007-01-25 22:46:21 補充：
=40590not=40586.7
2007-01-25 22:46:21 補充：
=40590not=40586.7
2007-01-26 6:12 am
=48600
2007-01-26 6:10 am
48600
2007-01-26 6:08 am
４１９４２．１
收錄日期: 2021-04-18 21:00:18
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070125000051KK04268