男生人数比女生人数多5分之一,女生人数就比男生人数少几分之几
由题意男生有6/5N,女生有N个,则女生比男生少1/5N人,(1/5N)/(6/5N)=1/6这个是解题思路,
绛旓細1銆佺敺濂虫瘮渚嬩负6:5锛鎵浠ョ瓟妗堜负6/5,5/6锛6/11,5/11銆2銆6/5銆3銆6/5,11/5銆備簩锛3鍘樼背銆
绛旓細鈥滅敺鐢熶汉鏁版瘮濂崇敓澶氫簲鍒嗕箣涓鈥濓紝杩欏彞璇濆コ鐢熶汉鏁扮殑鏄崟浣涓锛骞朵笖鎶婂コ鐢熶汉鏁板钩鍧囧垎鎴5浠斤紝鐢风敓浜烘暟姣斿コ鐢熶汉鏁板涓浠斤紝鍗筹細鐢风敓浜烘暟灏辨槸5+1=6浠姐傗滃コ鐢熶汉鏁版瘮鐢风敓灏戝嚑鍒嗕箣鍑?鈥濊繖鍙ヨ瘽鐨勫崟浣嶄竴鏄敺鐢熶汉鏁帮紝璋佹槸鍗曚綅涓璋佸氨鏄櫎鏁帮紙鍒嗘瘝锛夛紝鐢ㄧ敺鐢熷拰濂崇敓浜烘暟鐨勪唤鏁伴櫎浠ュ崟浣嶄竴灏辨槸濂崇敓浜烘暟姣旂敺鐢熷皯鍑...
绛旓細锛堢敺涓濂筹級/濂=1/5 鐢蜂竴濂=1/5濂 鐢=6/5濂 鐢:濂=6:5 绛:鐢风敓鍜濂崇敓鐨勬瘮鏄6:5
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
绛旓細浣犲ソ锛鐢风敓浜烘暟姣斿コ鐢熶汉鏁板浜斿垎涔嬩竴锛涔熷氨鏄コ鐢熸瘮鐢风敓灏戝叚鍒嗕箣涓锛16.7%锛
绛旓細璁鐢风敓浜烘暟鏄疿,濂崇敓浜烘暟鏄痀锛岄偅涔堟湁锛歑=Y+Y/5锛鎹㈢畻鍚庢湁:5X=5Y+Y 5X=6Y Y=5/6*X 涔熷氨鏄濂崇敓浜烘暟鏄敺鐢熺殑6鍒嗕箣5.
绛旓細杩欎釜鏄笉鍙樼殑锛屾墍浠1X5/6=5/6 鐢风敓涓1 濂崇敓涓5/6 濂崇敓姣鐢风敓灏1/6銆鐢风敓浜烘暟鏄叏鐝汉鏁扮殑澶氬皯 杩欎釜鏄互鍏ㄧ彮浜烘暟涓哄崟浣嶁1鈥濅篃灏辨槸鐢风敓+濂崇敓=鍏ㄧ彮=1 鎴戜滑鍓嶉潰寰楀嚭濂崇敓鏄敺鐢熺殑5/6.鎵浠ョ敺鐢+濂崇敓锛5/6鐢风敓锛=1 11/6鐢风敓=1 鐢风敓=6/11 鎵浠ョ敺鐢熶汉鏁版槸鍏ㄧ彮浜烘暟鐨11鍒嗕箣6 ...
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锛骞冲潎鍒嗘垚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
绛旓細鐢风敓:濂崇敓=6:5 (鐢-濂)/鐢=1/6 1/6*100
绛旓細鐢变簬鐢风敓浜烘暟姣斿コ鐢熷1/5锛杩欎篃灏辨剰鍛崇潃鐢风敓鐨勪汉鏁版槸濂崇敓鐨6/5鍊嶃傚洜姝わ紝濂崇敓浜烘暟鏄敺鐢熺殑5/6鍊嶃傛墍浠ワ紝濂崇敓姣鐢风敓灏1/6銆傚涔犳暟瀛︾殑寤鸿 1銆佸缓绔嬫暟瀛﹀熀纭锛氬湪瀛︿範鏇撮珮灞傛鐨勬暟瀛︾煡璇嗕箣鍓嶏紝纭繚宸茬粡鎺屾彙浜嗗繀瑕佺殑鏁板鍩虹銆傝繖鍙兘鍖呮嫭鍩烘湰鐨勮繍绠椼佷唬鏁版蹇点佸嚑浣曟蹇电瓑銆2銆佺悊瑙ｆ蹇碉細瀛︿範鏁板闇瑕佺悊瑙...
