男生人数比女生人数多五分之一男生人有多少人？如果设 女生比男生多五分之一，女生有多少人

\u7537\u751f\u4eba\u6570\u6bd4\u5973\u751f\u4eba\u6570\u591a\u4e94\u5206\u4e4b\u4e00\u7537\u751f\u4eba\u6709\u591a\u5c11\u4eba\uff1f\u5982\u679c\u8bbe\u5973\u751f\u6709x\u4eba\uff0c\u90a3\u4e48\u7537\u751f\u7684\u4eba\u6570\u662f

5\u5206\u4e4b6X

\u9898\u76ee\uff1a\u5408\u5531\u56e2\u6709\u7537\u751f\u4e8c\u5341\u4eba,\u5973\u751f\u6bd4\u7537\u751f\u591a\u4e94\u5206\u4e4b\u4e00.\u5973\u751f\u6709\u591a\u5c11\u4eba?
\u89e3\uff1a\u5df2\u77e5\u5408\u5531\u56e2\u6709\u7537\u751f20\u4eba\uff0c\u5973\u751f\u6bd4\u7537\u751f\u591a5\u5206\u4e4b1\uff0c
\u5f97\u5973\u751f\u4eba\u6570=\u7537\u751f\u4eba\u6570\u00d7\uff081+5\u5206\u4e4b1\uff09
=20\u00d7\uff081+5\u5206\u4e4b1\uff09
=20\u00d75\u5206\u4e4b6
=24\u4eba
\u7b54\uff1a\u5973\u751f\u670924\u4eba\u3002

　　男生人数比女生人数多5分之1，这里是把女生人数看作单位1，男生人数是1+5分之1=5分之6个单位
　　男生人数-女生人数=女生人数的5分之1

鏌愮彮鐢风敓浜烘暟姣斿コ鐢浜澶氫簲鍒嗕箣涓,濂崇敓浜烘暟姣旂敺鐢熶汉鏁板皯鍑犲垎涔嬪嚑,鐢风敓...
绛旓細璁炬煇鐝濂崇敓浜烘暟鏄疿锛鐢风敓浜烘暟鍒欎负锛圶+1/5X)=6/5X,鍒濂崇敓姣鐢风敓灏戯紙6/5X-X)/(6/5X)=1/6.绛斿コ鐢熸瘮鐢风敓灏戝叚鍒嗕箣涓銆傚叏鐝汉鏁颁负X+6/5X=11/5X鐢风敓鍗犳讳汉鏁板垯涓6/5X姣斾笂11/5X鏈鍚庣瓑浜6/11.绛旂敺鐢熷崰鍏ㄧ彮浜烘暟鐨勫崄涓鍒嗕箣鍏

鐢风敓浜烘暟姣斿コ鐢熷浜斿垎涔嬩竴,鐢风敓浜烘暟鍗犲叏鐝殑鍑犲垎涔嬪嚑?
绛旓細鐢风敓锛濂崇敓=锛1+5鍒嗕箣1锛夛細1=6锛5 鐢风敓鍗犲叏鐝浜烘暟鐨 =6梅锛6+5锛=11鍒嗕箣6 甯屾湜瀵逛綘鏈夊府鍔╋紝婊℃剰璇峰強鏃堕噰绾筹紝浣犵殑閲囩撼鏄垜鍥炵瓟鐨勫姩鍔涳紒

鐢风敓浜烘暟姣斿コ鐢熶汉鏁板浜斿垎涔嬩竴鐢风敓涓庡コ鐢熶汉鏁扮殑姣旀槸澶氬皯
绛旓細鐢锋瘮濂澶1/5 璁惧コ浜烘暟涓5X 鐢蜂汉鏁涓5X+1/5X=6X 鎵浠ョ敺:濂=6:5

鏁板棰 鐢风敓浜烘暟姣斿コ鐢熶汉鏁板浜斿垎涔嬩竴, 鍏朵腑鐢风敓浜烘暟鐩稿綋浜庡コ鐢熶汉鏁扮殑...
绛旓細鍋囪濂崇敓鏈5浜猴紝鐢风敓灏辨湁6浜 鐢峰崰濂筹細6梅5=浜斿垎涔鍏=1.2锛堝嶏級鐩稿綋浜濂崇敓浜烘暟鐨1.2鍊

鐢风敓浜烘暟姣斿コ鐢熶汉鏁板浜斿垎涔嬩竴,鏁伴噺鍏崇郴( )X( )=()
绛旓細濂崇敓浜烘暟脳锛1+1/5锛=鐢风敓浜烘暟

鏌愮彮鐢风敓浜烘暟姣斿コ鐢熶汉鏁板1/5,濂崇敓浜烘暟姣旂敺鐢熶汉鏁板皯( ),鐢风敓浜烘暟鍗犲叏...
绛旓細瑙ｏ細璁捐鐝コ鐢熶汉鏁颁负鍗曚綅1锛屽垯鐢风敓浜烘暟涓1+1/5=6/5,銆濂崇敓浜烘暟姣旂敺鐢熶汉鏁灏慬6/5-1]/(6/5)=1/6锛涚敺鐢熶汉鏁板崰鍏ㄧ彮浜烘暟鐨(6/5)/(1+6/5)=6/11銆

鐢风敓浜烘暟姣斿コ鐢熶汉鏁板浜斿垎涔嬩竴鐢风敓浜烘湁澶氬皯浜?濡傛灉璁
绛旓細鐢风敓浜烘暟姣斿コ鐢熶汉鏁板5鍒嗕箣1锛岃繖閲屾槸鎶婂コ鐢熶汉鏁扮湅浣滃崟浣1锛岀敺鐢熶汉鏁版槸1+5鍒嗕箣1=5鍒嗕箣6涓崟浣 鐢风敓浜烘暟-濂崇敓浜烘暟=濂崇敓浜烘暟鐨5鍒嗕箣1

鐢风敓浜烘暟姣斿コ鐢熶汉鏁板浜斿垎涔嬩竴 濂崇敓浜烘暟姣旂敺鐢熶汉鏁板皯鍏垎涔嬩竴 鍐欏嚭璇︾粏...
绛旓細鐢风敓姣斿コ鐢熷1/5銆傛妸濂崇敓鐪嬫垚鍗曚綅1锛屽钩鍧囧垎鎴5浠斤紝鐢风敓姣斿コ鐢熷1浠界敺鐢熷氨鏄6浠 濂崇敓姣旂敺鐢灏戝嚑鍒嗕箣鍑狅紵濂崇敓姣旂敺鐢熷皯涓浠姐傛妸鐢风敓鐪嬫垚鍗曚綅涓銆傜敤1梅6=1/6

鏌愭牎鐢风敓浜烘暟姣斿コ鐢熶汉鏁板浜斿垎涔嬩竴,濂崇敓涓庣敺鐢熶汉鏁扮殑姣旀槸鍑犳瘮鍑,鐢风敓...
绛旓細2:3 3/5

鐢风敓浜烘暟姣斿コ鐢熷浜斿垎涔嬩竴鐢风敓鏄コ鐢熺殑澶氬皯,濂崇敓姣鐢风敓灏戝灏?鎬ユ!
绛旓細瑙ｏ細鎶婂コ鐢熺湅鍋氬崟浣1锛岀敺鐢熷氨鏄紙1-1/5=6/5锛夌敺鐢熸槸濂崇敓鐨勫灏戯細6/5梅1=6/5 濂崇敓姣旂敺鐢灏戝灏戯細1/5梅6/5=1/6