甲比乙多三分之一，则乙比甲少多少
\u7532\u6bd4\u4e59\u591a\u4e09\u5206\u4e4b\u4e00\uff0c\u5219\u4e59\u6bd4\u7532\u5c11\u591a\u5c11\uff1f\u6b63\u786e\u7b54\u6848: \u5c11\u4e86 1/4.
\u56e0\u4e3a: "\u7532\u6bd4\u4e59\u591a\u4e09\u5206\u4e4b\u4e00"\u5373, (\u7532-\u4e59)/\u4e59 = 1/3.
\u7b97\u51fa\u6765: \u4e59 = 3/4*\u7532
"\u4e59\u6bd4\u7532", \u5373, (\u4e59-\u7532)/\u7532 = ?
\u7b54: \u628a"\u4e59 = 3/4*\u7532"\u4ee3\u8fdb\u6765,
"\u4e59\u6bd4\u7532", \u5373, (\u4e59-\u7532)/\u7532 = (3/4*\u7532 - \u7532)/\u7532 = - 1/4. (\u8d1f1/4, \u5373\u662f\u5c11\u4e861/4).
\u6b63\u786e\u7b54\u6848: \u5c11\u4e86 1/4.
\u56e0\u4e3a: "\u7532\u6bd4\u4e59\u591a\u4e09\u5206\u4e4b\u4e00"\u5373, (\u7532-\u4e59)/\u4e59 = 1/3.
\u7b97\u51fa\u6765: \u4e59 = 3/4*\u7532
"\u4e59\u6bd4\u7532", \u5373, (\u4e59-\u7532)/\u7532 = ?
\u7b54: \u628a"\u4e59 = 3/4*\u7532"\u4ee3\u8fdb\u6765,
"\u4e59\u6bd4\u7532", \u5373, (\u4e59-\u7532)/\u7532 = (3/4*\u7532 - \u7532)/\u7532 = - 1/4. (\u8d1f1/4, \u5373\u662f\u5c11\u4e861/4).
甲数=（4/3)X乙数
乙数=（3/4）X甲数
甲数-乙数=甲数-（3/4）X甲数=（1/4)X甲数
乙数比甲数少4分之1
甲比乙多三分之一，则乙比甲少：
1/3÷（1+1/3）
=1/3÷4/3
=1/4
绛旓細瑙ｇ瓟锛氱敳鏁姣斾箼鏁澶1/3,璇存槑鐢叉暟鏄箼鏁扮殑4/3锛閭ｄ箞涔欐暟鏄敳鏁鐨3/4 涔欐暟姣旂敳鏁灏1-3/4=1/4
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绛旓細鐢:涔=4/3:1=4:3 涔欐瘮鐢插皯:(4/3-1)梅4/3 = 1/3梅4/3 =1/4
绛旓細鐢叉瘮涔欏3鍒嗕箣1锛閭ｄ箞璁句箼鏄1锛岄偅涔堢敳鏄1+1/3=4/3 涔 姣旂敳 灏锛(4/3-1)梅4/3=1/4 婊℃剰璇峰強鏃堕噰绾筹紝O(鈭鈭)O璋㈣阿
绛旓細鎶婁箼鐪嬪仛鍗曚綅1 锛鐢=1-1/3=2/3 涔-鐢=1/3 澶氱殑鏄敳鐨=涔欐瘮鐢插鐨/鐢=1/3 / 2/3=1/3*3/2=1/2 鎵浠涔欐瘮鐢插1/2锛屼篃灏辨槸浜鍒嗕箣涓 QQ鐖卞ソ鑰呯湡璇氫负鎮ㄨВ绛斻
绛旓細鐢叉暟姣斾箼鏁澶氫笁鍒嗕箣涓,鐢叉槸涔欑殑4/3,涔鏄鐢茬殑3/4 涔欐暟姣旂敳鏁板皯1-3/4=1/4
绛旓細浠庣涓鍗婂彞锛屾垜浠彲浠ョ煡閬撹繖閲屼綔姣旇緝鐨勫崟浣嶁1鈥濇槸涔欐暟锛岄偅涔堢敳鏁板氨鏄1+1/3=4/3锛涗笅鍗婂彞灏变箼鏁姣旂敳鏁板皯锛岄偅涔堝氨鍙互璇存垚鐢叉暟姣斾箼鏁板锛屾墍浠ワ細4/3-1=1/3锛鍐嶆崲鎴愮櫨鍒嗘暟锛1/3鈮33锛
绛旓細鐢叉瘮涔欏涓夊垎涔嬩竴,鍒鐢=4/3涔鎵浠涔欐瘮鐢插皯鍥涘垎涔嬩竴
