甲班同学比乙班同学多十分之一,乙班同学比甲班同学少几分之几 甲班同学比乙班同学多十分之一,乙班同学比甲班同学少几分之几
\u7532\u73ed\u540c\u5b66\u6bd4\u4e59\u73ed\u540c\u5b66\u591a\u5341\u5206\u4e4b\u4e00,\u4e59\u73ed\u540c\u5b66\u6bd4\u7532\u73ed\u540c\u5b66\u5c11\u51e0\u5206\u4e4b\u51e0\u89e3\u6cd51\uff1a\u628a\u4e59\u73ed\u4eba\u6570\u770b\u4f5c\u5355\u4f4d1,\u5373\u7532\u73ed\u4eba\u6570\u662f10\u5206\u4e4b11,\u6240\u4ee5\u591a\u7684\u4eba\u6570\u9664\u4ee5\u7532\u73ed\u4eba\u6570,\u537310\u5206\u4e4b1\u9664\u4ee510\u5206\u4e4b11=11\u5206\u4e4b1.
\u89e3\u6cd52\uff1a\u8bbe\u4e59\u73ed\u4eba\u6570\u4e3a50\u4eba,\u5373\u7532\u73ed\u4eba\u6570\u662f50X\uff081+10/1\uff09=55 ( 55--50)/55=11\1
\u89e3\u6cd51\uff1a\u628a\u4e59\u73ed\u4eba\u6570\u770b\u4f5c\u5355\u4f4d1,\u5373\u7532\u73ed\u4eba\u6570\u662f10\u5206\u4e4b11,\u6240\u4ee5\u591a\u7684\u4eba\u6570\u9664\u4ee5\u7532\u73ed\u4eba\u6570,\u537310\u5206\u4e4b1\u9664\u4ee510\u5206\u4e4b11=11\u5206\u4e4b1.
\u89e3\u6cd52\uff1a\u8bbe\u4e59\u73ed\u4eba\u6570\u4e3a50\u4eba,\u5373\u7532\u73ed\u4eba\u6570\u662f50X\uff081+10/1\uff09=55 ( 55--50)/55=11\1
(11/10-1)÷11/10
=1/10×10/11
=1/11
乙班人数比甲班人数少1/11。
甲班同学比乙班同学多十分之一;
乙班同学比甲班同学少(11)分之(1);
(1/10)/(1+1/10)
=1/11
乙班看做整体1,甲班为1+1/10=11/10
乙班比甲班少(11/10-1)/11/10=(1/10)/11/10=1/10*10/11=1/11
绛旓細鍋囪涔欑彮鍚屽鏁颁负1锛屽垯鐢茬彮鍚屽鏁板氨鏄1+1/10=11/10锛(11/10-1)梅11/10 =1/10脳10/11 =1/11 涔欑彮浜烘暟姣旂敳鐝汉鏁板皯1/11銆
绛旓細瑙f硶1锛氭妸涔欑彮浜烘暟鐪嬩綔鍗曚綅1,鍗鐢茬彮浜烘暟鏄10鍒嗕箣11,鎵浠ュ鐨勪汉鏁伴櫎浠ョ敳鐝汉鏁,鍗10鍒嗕箣1闄や互10鍒嗕箣11=11鍒嗕箣1.瑙f硶2锛氳涔欑彮浜烘暟涓50浜,鍗崇敳鐝汉鏁版槸50X锛1+10/1锛=55 ( 55--50)/55=11\1
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绛旓細瑙g瓟锛氳涔鏍$殑浜烘暟涓哄崟浣嶁1鈥濓紝鍒欑敳鏍$殑浜烘暟涓衡11/10鈥濓紝涓欐牎鐨勪汉鏁颁负锛氣10/9鈥濄傜敳鏍′汉鏁扳埗涓欐牎浜烘暟锛11/10鈭10/9锛99鈭100锛99/100锛1 鈭 鐢叉牎鐨勪汉鏁板皬浜庝笝鏍′汉鏁 绛旀鏄細C.
绛旓細鐢叉湁10梅1/5=50浜 鐢蹭箼鍏辨湁50+锛50-10锛=90浜
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绛旓細杩欓亾棰樼殑闂搴旇鏄細涔欑彮浜烘暟姣鐢茬彮灏戝灏 鐢茬彮浜烘暟锛1+1/11=12/11 涔欑彮浜烘暟姣旂敳鐝皯锛1/11梅12/11=1/12
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绛旓細涔欑彮浜烘暟涓1浠 鐢茬彮浜烘暟涓1+1/6=7/6浠 (鐢茬彮浜烘暟-涔欑彮浜烘暟)梅鐢茬彮浜烘暟 =(7/6-1)梅7/6 =1/6鈺6/7 =1/7
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