第1个回答 2009-10-07
告诉你一个好办法:在键盘上随便敲一个三位数和一个两位数中间再加个除号就行了
第2个回答 2009-10-08
200/20 546/23
659/15
021/32
059/35 喐闷,呿书店买夲吥僦哘ㄋ 汉
500/20
144/20
698/20
522/22
546/21
546/65
321/52
456/48
159/74 200/20 546/23
659/15
021/32
200/20 546/28
659/15
021/32
200/20 586/23
659/15
021/32
258/56
777/11
204/20
500/20
144/20
698/20
522/22
546/21
546/65
321/52
456/48
159/74 200/20 546/23
659/15
021/32
200/20 546/28
659/15
021/32
200/20 021/32
258/56
777/11321/52
456/48
159/74 200/20 546/23
659/15
021/32
200/20 546/28
659/15
021/32
200/20 021/32321/52
456/48
159/74 200/20 546/23
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200/20 546/28
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021/32321/52
456/48
159/74 200/20 546/23
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021/32321/52
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159/74 200/20 546/23
659/15321/52
456/48
159/74 200/20 546/23
659/15
021/32321/52
456/48
159/74 200/20 546/23
659/15
021/32
200/20 546/28
659/15
021/32
200/20 021/32
258/56
777/11
204/20
200/20 546/28
659/15
021/32
200/20 021/32
258/56
777/11
204/20
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200/20 546/28
659/15
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200/20 021/32
258/56
777/11
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200/20 546/28
659/15
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200/20 021/32
258/56
777/11
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200/20 021/32
258/56
777/11
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258/56
777/11
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204/20
第3个回答 2009-10-07
告诉你一个好方法,去书店抱一大堆口算速算练习来.我相信,不止200道本回答被提问者采纳