甲数比乙数多5分之1
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=6\uff1a5
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甲数比乙数多5分之1，甲乙两数的比是6:5
把乙数看作"1"
甲数就是1+1/5=6/5
甲乙两数的比是:6/5:1=6:5
甲=乙*(甲/5)
括号表整体
甲数=乙数+5分之1
绛旓細瑙ｏ細1/5梅锛1+1/5锛=1/5梅6/5 =1/6 绛旓細涔欐暟灏辨瘮鐢叉暟灏1/6 銆
绛旓細鐢叉暟姣斾箼鏁板浜斿垎涔嬩竴锛岀敳鏁扮浉褰撲簬涔欐暟鐨勶紙 6/5 锛夛紝涔欐暟鐩稿綋浜庣敳鏁扮殑锛 5/6 锛変緥濡傦紝涔欎负1锛屽垯鐢蹭负1.2锛岀敳鏄箼鐨6/5,涔欐槸鐢茬殑5/6
绛旓細璁句箼鏁颁负鈥1鈥濈敳锛1脳锛1+1/5锛=6/5 6/5梅1=6/5 绛旓細鐢叉暟姣斾箼鏁板1/5銆侀偅涔堢敳鏁版槸涔欐暟鐨6/5
绛旓細瑙:璁句箼鏁颁负a锛屽垯鐢蹭负(1+1/5)a 1/5a梅(1+1/5)a=1/6 绛:涔欐暟姣旂敳鏁灏1/6銆
绛旓細鐢叉暟=涔欐暟脳锛1+1/5锛=涔欐暟脳6/5 涔欐暟姣旂敳鏁灏:1/5梅6/5=1/6=6鍒嗕箣1 鐢叉暟鍗鐢蹭箼涓ゆ暟鍜岀殑:6/5梅锛1+6/5锛=6/5梅11/5 =6/11 =11鍒嗕箣6 涔欐暟鍗犵敳涔欎袱鏁板拰鐨:1梅锛1+6/5锛1梅11/5 =5/11 =11鍒嗕箣5
绛旓細瀵圭殑锛岃绠楄繃绋嬪涓嬶細1銆佽涔欐暟鏄1锛2銆佺敱棰樻剰锛鐢叉暟姣斾箼鏁板浜斿垎涔嬩竴锛屽彲鐭ワ細鐢叉暟=(1+1/5)=6/5锛3銆佹墍浠ヤ箼鏁版瘮鐢叉暟灏戯細(6/5-1)梅(6/5)=1/6銆4銆佹墍浠ョ敳鏁版瘮涔欐暟澶氫簲鍒嗕箣涓锛屽垯涔欐暟姣旂敳鏁板皯鍏垎涔嬩竴銆傜敳鏁版瘮涔欐暟澶氫簲鍒嗕箣涓锛屾槸鎸囩敳姣斾箼澶氫箼鐨勪簲鍒嗕箣涓锛涜屼箼鏁版瘮鐢叉暟灏...
绛旓細鐢叉暟姣斾箼鏁板5鍒嗕箣1锛岀敳涔欎袱鏁扮殑姣旀槸6:5 鎶婁箼鏁扮湅浣"1"鐢叉暟灏辨槸1+1/5=6/5 鐢蹭箼涓ゆ暟鐨勬瘮鏄:6/5:1=6:5
绛旓細鐢叉暟姣斾箼鏁板浜斿垎涔嬩竴锛岀敳鏁板拰涔欐暟鐨勬瘮鏄12:10,鏈绠姣旀槸6:5.
绛旓細濡傛灉鎶婁箼鏁扮湅鎴愭槸1锛岄偅涔堢敳鏁版槸1+1/5=6/5 鐢叉暟锛氫箼鏁=6/5锛1=6锛5=6/5 绛旓細鐢叉暟姣斾箼鏁鐨勬瘮鍊兼槸浜斿垎涔鍏
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