您好,我是 lop****** ,高興能解答您的問題。
問 1:15除0.4
解 1:
15除0.4
=150除4
圖片參考:
http://imgcld.yimg.com/8/n/HA01076848/o/701107210031213873430830.jpg
= 37.5
答:15除0.4 = 37.5
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問 2:2.06除2
解 2:
2.06除2
= 206除200
圖片參考:
http://imgcld.yimg.com/8/n/HA01076848/o/701107210031213873430831.jpg
= 1.03
答:2.06除2 = 1.03
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問 3:0.8除0.5
解 3:
0.8除0.5
= 8除5
圖片參考:
http://imgcld.yimg.com/8/n/HA01076848/o/701107210031213873430842.jpg
= 1.6
答:0.8除0.5 = 1.6
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問 4:32.5除13
解 4:
32.5除13
= 325除130
圖片參考:
http://imgcld.yimg.com/8/n/HA01076848/o/701107210031213873430843.jpg
= 2.5
答:32.5除13 = 2.5
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問 5:7.268除3.16
解 5:
7.268除3.16
= 7268除3160
圖片參考:
http://imgcld.yimg.com/8/n/HA01076848/o/701107210031213873430854.jpg
= 2.5
答:7.268除3.16 = 2.5
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問 6:4.52除0.4
解 6:
4.52除0.4
= 452除40
圖片參考:
http://imgcld.yimg.com/8/n/HA01076848/o/701107210031213873430855.jpg
= 11.3
答:4.52除0.4 = 11.3
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問 7:0.57除1.2
解 7:
0.57除1.2
= 57除120
圖片參考:
http://imgcld.yimg.com/8/n/HA01076848/o/701107210031213873430866.jpg
= 0.475
答:0.57除1.2 = 0.475
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問 8:2.22除3.7
解 8:
2.22除3.7
= 222除370
圖片參考:
http://imgcld.yimg.com/8/n/HA01076848/o/701107210031213873430867.jpg
= 0.6
答:2.22除3.7 = 0.6
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問 9:1.2除0.7
解 9:
1.2除0.7
= 12除7
圖片參考:
http://imgcld.yimg.com/8/n/HA01076848/o/701107210031213873430878.jpg
= 1. 714285 714285 714285 ...
= 1 + 5 ÷ 7
答:1.2除0.7 = 1. 714285 714285 714285 ... = 1 + 5 ÷ 7
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參考: Hope I Can Help You ^_^ ( From me )