一杯糖水,糖与水的比例是1:8,另一杯糖与水的比例是1:11,把两杯水倒在一起糖与水的比例是多少? 一杯糖水,糖与水的比例是1:5,喝去13杯糖水后,把水加满,...
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糖A,家糖B,等于1+1=2,水A,家水B,等于8+11=19,所以倒在一起,糖与水的比例就是,2比19。绛旓細璁惧師鏉ユ湁绯杧鍏 锛坸+18锛:(8x)=2:7 7x+126=16x 16x-7x=126 9x=126 x=126梅9 x=14鍏 鍘熸潵鏈夋按锛14X8=112鍏
绛旓細绯栧崰鏁翠綋鐨勪節鍒嗕箣涓
绛旓細璁剧硸鏈塵鍏嬶紝鍘熸湁姘磞鍏 m/(m+y)=25% m/(m+y+20)=15% 瑙e緱m=7.5 y=22.5..
绛旓細鎶涓鏉硸姘鐪嬩綔鍗曚綅1 绯栧氨鏄 1/8 姘村氨鏄 7/8 绯栦笌姘寸殑璐ㄩ噺姣 1/8 锛 7/8 = 1:7
绛旓細涓姣斿叓
绛旓細涓鏉硸姘达紝绯栦笌姘寸殑姣斾緥鏄1锛4鍠濆幓1/2鍚庯紝鍙堢敤姘村姞婊★紝杩欐椂鏉腑绯栦笌姘寸殑姣斾緥鏄 1锛8
绛旓細瑙锛1/8梅锕1锛1/8锕氾紳1/7 1/5梅锕1锛1/5锕氾紳1/4 3梅锕1/4锛1/7锕氾紳56鍏嬶箼姘寸殑閲嶉噺锕56脳锕1锛1/7锕氾紳64鍏 绛旓細鍘熸湁绯栨按64鍏嬨
绛旓細锛1锛夌涓鏉紝绯栧拰姘寸殑姣旀槸锛50锛400=1锛8锛岀浜屾澂锛岀硸鍜屾按鐨勬瘮鏄細60锛500=3锛25锛屽洜涓1锛8鈮3锛25锛屾墍浠ュ畠浠笉鎴姣斾緥锛庯紙2锛夎300鍏嬫按搴斿姞鍏ョ硸x鍏嬶紝寰楋細1锛8=x锛300锛8x=300锛寈=37.5锛庣瓟锛氬簲鍔犲叆绯37.5鍏嬶紟
绛旓細1锛夌涓鏉 25锛200 =1锛8 绗簩鏉 30锛250=3锛25 涓嶈兘缁勬垚姣斾緥 2锛300梅8=37.5(鍏) 绛旓細300鍏嬫按涓簲鍔犲叆绯37.5鍏嬨
绛旓細锛1锛25:200=1:8 30:250=3:25 锛2锛夎搴旇鍔犲叆x鍏绯 1:8=x:300 x=37.5 搴旇鍔37.5鍏嬬硸