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<p>#1 我想知循環小數點化為分數...<br /><small>有好多都唔係好明白...<br />
                 .  .<br />
例如:設x=0.141<br />
      1000x=141.141111.....<br />
<br />
之後就唔知點計...<br />
<br />
[[i] 本帖最後由 甲兒 於 2010-9-7 21:12 編輯 [/i]]</small><br />
9/7 21:10<br />
甲兒<br /></p>
<p>#2 回復 #1 甲兒 的帖子<br /><small>唔係咁計嫁...<br />
x=0.141141141141...-1<br />
1000x=141.141141141141...-2<br />
2-1<br />
999x=141<br />
x=141/999</small><br />
9/7 21:13<br />
SunnyMakty95<br /></p>
<p>#3 <br /><small>..</small><br />
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