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Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 已解決
Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 已解決 
*急*兩題數學的問題,贈20點。
Oct 28th 2014, 13:21

(一). 57.148 : 73.476 = 7 : 9

用輾轉相除法

73.476/57.148=1....16.328
57.148/16.328=3.....8.164
16.328/8.164=2 
(57.148/8.164):(73.476/8.164)=7:9

(二). 32.656 : 73.476 = 4 : 9

用輾轉相除法

73.476/32.656=2...8.164
32.656/8.164=4
(32.656/8.164):(73.476/8.164)=4:9

參考資料 Paul

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