甲数比乙数多1/5，甲数是乙数的多少，乙数是甲数的多少？ 甲数比乙数多1/5是指谁占谁的1/5？
\u7532\u6570\u6bd4\u4e59\u6570\u591a1/5\u90a3\u4e48\u4e59\u6570\u548c\u7532\u6570\u7684\u6bd4\u662f\u591a\u5c11\uff1f\u7532\u6bd4\u4e59\u591a1/5 \u5373\u4e3a\u7532=6/5\u4e59 \u6240\u4ee5\u7532\uff1a\u4e59=6\uff1a5
\u7532\u6570\u6bd4\u4e59\u6570\u591a1/5\u662f\u6307\u7532\u6570\u6bd4\u4e59\u6570\u591a\u7684\u90e8\u5206\u5360\u4e59\u6570\u76841/5\u3002
乙数是1甲数是1+1/5=6/5
甲数是乙数的6/5
乙数是甲数的5/6
6/5 5/6
6/5 5/6
绛旓細鐢叉暟姣斾箼鏁板1/5,鐢叉暟涓庝箼鏁扮殑姣旀槸锛1+1/5锛夈
绛旓細绛旀锛涔欐暟姣旂敳鏁灏戝叚鍒嗕箣涓銆傝В棰樻濊矾锛氬厛鎶婁箼鏁扮湅鍋氬崟浣嶁1鈥濓紝鐢叉暟鏄箼鏁扮殑锛1+1/5锛夛紝鍐嶇敤鐢叉暟鍜屼箼鏁扮殑宸甗1/5]闄や互鐢叉暟鍗冲彲銆俒1/5]梅锛1+1/5锛=[1/5]梅[6/5]=[1/6]绛旓細涔欐暟姣旂敳鏁板皯1/6銆傛湰棰樿冪偣锛 鍒嗘暟闄ゆ硶銆傝冪偣鐐硅瘎锛 鏈鍏堟壘鍑哄崟浣嶁1鈥濓紝鎶婂叾瀹冮噺鐢ㄥ崟浣嶁1鈥...
绛旓細鏄鐨勩傜涓绉嶈В娉曪細鍓嶈呮槸浠ヤ箼鏁颁綔鍒嗘瘝锛屽悗鑰呮槸浠ョ敳鍋氬垎姣嶃備竴鑸滄瘮 鈥濆瓧鍚庡ご鐨勬槸鍒嗘瘝銆傛晠涔欐暟姣旂敳鏁灏1/5銆傜浜岀瑙ｆ硶锛氱敳鏁=(5/4)涔欐暟 (鐢叉暟-涔欐暟)/鐢叉暟=1-(涔欐暟/鐢叉暟)=1-(4/5)=1/5 绛旓細涔欐暟姣旂敳鏁板皯1/5銆傜涓夌瑙ｆ硶锛氳涔欐暟=x锛屽垯鐢叉暟=(1+1/4)x锛涘垯涔欐暟姣旂敳...
绛旓細绛旓細涔欐暟姣旂敳鏁板瀹冪殑1/(1+m)銆
绛旓細瀵瑰簲鐨勫崟浣"1"涓嶅悓 鐢叉暟姣斾箼鏁板1/4,杩欐槸浠ヤ箼鏁颁负鍗曚綅"1"鐢叉暟涓轰箼鏁扮殑1+1/4=5/4 闂箼鏁版瘮鐢叉暟灏戝嚑鍒嗕箣鍑,灏辫浠ョ敳鏁颁负鍗曚綅"1"鐢ㄥ樊鍊,闄や互鐢叉暟 鎵浠ユ槸1/4梅5/4=1/5
绛旓細鐢=涔+1/4涔=5/4涔 涔=4/5鐢 鎵浠:鐢叉槸涔欑殑5/4锛涗箼姣旂敳灏1/5
绛旓細鐢叉暟姣斾箼鏁板1/4锛岀敳鏁版槸涔欐暟鐨5/4锛屼箼鏁版瘮鐢叉暟灏1/4銆傛牴鎹鎰忓垪绠楀紡锛氫箼鏁皒锛1+1/4锛=鐢叉暟 寰楀嚭锛5/4涔欐暟=鐢叉暟 鐢叉暟鏄箼鏁扮殑锛氱敳鏁懊蜂箼鏁=5/4涔欐暟梅涔欐暟=5/4 涔欐暟姣旂敳鏁板皯锛氱敳鏁-涔欐暟=5/4涔欐暟-涔欐暟=1/4 鎵浠ョ敳鏁版槸涔欐暟鐨5/4锛屼箼鏁版瘮鐢叉暟灏1/4銆傚洓鍒欒繍绠楃殑鎬ц川...
绛旓細濡傛灉鐢叉暟姣斾箼鏁板1/4锛岄偅涔堜箼鏁版瘮鐢叉暟灏戝灏戯細1/4銆
绛旓細涔欐暟鏄1 鐢叉暟鏄1+1/5=6/5 鐢叉暟鏄箼鏁扮殑6/5 涔欐暟鏄敳鏁扮殑5/6
绛旓細鎵浠ワ紝鐢叉暟鏄箼鏁扮殑5/4銆(5/4-1)梅5/4 =1/4脳4/5 =1/5 涔欐暟姣旂敳鏁板皯1/5銆備絾鏄紝鏈涓や釜闂閮芥槸闂滃灏戔(琛ㄧず鍏蜂綋鐨勬暟)锛岃屼笉鏄滃嚑鍒嗕箣鍑犫濓紝鎵浠ワ紝鈥滅敳鏁版槸涔欐暟鐨勫灏戔濈殑璇存硶閿欒锛屾棤娉曡В锛佽屾妸1/4褰撲綔鍏蜂綋鐨勬暟(涓嶅綋鍒嗙巼)锛岀浜屼釜闂灏卞彲浠ヨ繖鏍疯В:鐢叉暟姣斾箼鏁板1/4...
