五年级一班男生人数比女生多五分之一,则女生比男生少多少? 男生人数比女生多五分之一男生是女生的多少,女生比男生少多少？...
\u4e94\u5e74\u7ea7\u4e00\u73ed\u7537\u751f\u6bd4\u5973\u751f\u591a\u4e94\u5206\u4e4b\u4e00,\u5973\u751f\u6bd4\u7537\u751f\u5c11\u4e94\u4eba.\u95ee:\u5973\u751f\u591a\u5c11\u4eba,\u7537\u751f\u591a\u5c11\u4eba\u5373\u7537\u751f\u6bd4\u5973\u751f\u591a5\u4eba\uff0c\u5973\u751f\u4eba\u6570\u662f\uff1a5\u00f7\u4e94\u5206\u4e4b\u4e00=25\uff08\u4eba\uff09\uff0c\u7537\u751f\u4eba\u6570\u4e3a25+5=30\uff08\u4eba\uff09\u3002
\u89e3\uff1a\u628a\u5973\u751f\u770b\u505a\u5355\u4f4d1\uff0c\u7537\u751f\u5c31\u662f\uff081-1/5=6/5\uff09
\u7537\u751f\u662f\u5973\u751f\u7684\u591a\u5c11\uff1a6/5\u00f71=6/5
\u5973\u751f\u6bd4\u7537\u751f\u5c11\u591a\u5c11\uff1a1/5\u00f76/5=1/6
X-Y=1/5
Y/X=4/5
X/Y=5/4
即是Y为X的1(1/4)倍,即Y比X少了1/4
答案是:女生比男生少四分之一.
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