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關於數學問題 [20點!]

發問:

1.Round off each of the following numbers correct to the nearst hundred and thousand: a)5924 b)45081 c)37375 d)47000 2.Find the approximate value of each of the following by using the front-end method. a)9.7 b)18.44

最佳解答:

1.Round off each of the following numbers correct to the nearst hundred and thousand: a)5924 hundred : 5900 thousand : 6000 b)45081 hundred : 45100 thousand :45000 c)37375 hundred : 37400 thousand :37000 d)47000 hundred : 47000 thousand :47000 2.Find the approximate value of each of the following by using the front-end method. a)9.7 ( 9 ) b)18.44 ( 18 ) 2010-08-10 15:19:12 補充： I am sorry , the answer is : 2.Find the approximate value of each of the following by using the front-end method. a)9.7 ( 9 ) b)18.44 ( 20 ) not 18 , is 20 ( No.2(a) )

其他解答:

1.Round off each of the following numbers correct to the nearst hundred and thousand: a)5924 hundred : 5900 thousand : 6000 b)45081 hundred : 45100 thousand :45000 c)37375 hundred : 37400 thousand :37000 d)47000 hundred : 47000 thousand :47000 2.Find the approximate value of each of the following by using the front-end method. a)9.7 ( 9 ) b)18.44 ( 18 )
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