甲与乙两筐共有苹果一百个,从甲筐中取出17个放到乙方,甲筐还比乙筐多两个。 1.甲乙两筐共有苹果100个,从甲筐中取出17个放到乙筐,甲...
\u7532\u3001\u4e59\u4e24\u7b50\u5171\u6709\u82f9\u679c100\u4e2a\uff0c\u4ece\u7532\u7b50\u4e2d\u4e2d\u53d6\u51fa17\u4e2a\u653e\u5230\u4e59\u7b50\uff0c\u7532\u7b50\u8fd8\u6bd4\u4e59\u7b50\u591a2\u4e2a\uff0c\u539f\u6765\u7532\u7b50\u6bd4\u4e59\u7b50\u591a17+17+2=36\u4e2a
\u6240\u4ee5\u539f\u6765\u7532\u7b50\u6709\uff08100+36\uff09\u00f72=68\u4e2a
\u539f\u6765\u4e59\u7b50\u6709100-68=32\u4e2a
\u7532\u7b50\u91cc\u82f9\u679c\u7684\u82f9\u679c\u4e2a\u6570\u662f\u4e59\u7b50\u91cc\u82f9\u679c\u4e2a\u6570\u768468\u00f732\u00d7100%=212.5%
\u795d\u4f60\u5f00\u5fc3
\u8bbe\u7532\u539f\u6765\u6709X\u4e2a\uff0c \u5219\u4e59\u539f\u6765\u6709100-X\u4e2a\uff0c\u53d617\u4e2a\u7ed9\u4e59\u540e\u7532\u8fd8\u591a2\u4e2a\uff0c\u5219\uff1f\uff08X-17\uff09-\uff08100-X+17\uff09=2\uff0c\u5f97X=68\uff0c\u6240\u4ee5\u4e59\u670932\u4e2a\uff0c68/32=21.25%
\u5982\u679c\u4e0d\u7528\u65b9\u7a0b\uff0c\u5c31\u8fd9\u6837\u5012\u63a8\uff0c\u7532\u6700\u540e\u8fd8\u591a2\u4e2a\uff0c\u6b64\u65f6\u7684\u6570\u76ee\u5e94\u8be5\u662f\u753251\u4e2a\uff0c\u4e5949\u4e2a\uff0c\u8fd9\u6837\u628a\u7532\u62ff\u7ed9\u4e59\u768417\u4e2a\u8fd8\u56de\u7ed9\u7532\uff0c\u4e8e\u662f\u7532\u589e\u52a017\u4e2a\uff0c\u4e59\u51cf\u5c1117\u4e2a\uff0c\u6700\u540e\u5f97\u7532\u670968\u4e2a\uff0c\u4e59\u670932\u4e2a
x-17=100-x+17+2
2x=136
x=68
甲原来68，乙原来32
绛旓細x-17=100-x+17+2 2x=136 x=68 鐢插師鏉68锛屼箼鍘熸潵32
绛旓細鍘熸潵鐢茬瓙姣涔欑瓙澶17+17+2=36涓 鎵浠ュ師鏉ョ敳绛愭湁锛100+36锛壝2=68涓 鍘熸潵涔欑瓙鏈100-68=32涓 鐢茬瓙閲鑻规灉鐨勮嫻鏋涓暟鏄箼绛愰噷鑻规灉涓暟鐨68梅32脳100%=212.5 绁濅綘寮蹇
绛旓細绛旓細鐢68涓紝涔32涓
绛旓細瑙ｏ細璁剧敳鍘熸潵鏈墄涓鑻规灉,涔欐湁100-x x-17=100-x+17+2 2x = 136 x=68涓 涔欐湁100-68=32涓 绠楁湳锛氱敳鏈夛細(100+17*2+2)梅2 = 68涓 涔欐湁锛100-68=32涓
绛旓細瑙ｏ細浠庣敳绛涓彇鍑17涓斁鍒涔欑瓙锛岀敳绛愯繕姣斾箼绛愬2涓 锛岄偅涔堜粠鐢茬瓙涓彇鍑18涓斁鍒颁箼绛愶紝鐢茬瓙 涓庝箼绛灏辩浉绛 锛涚敳绛愭湁锛氾紙100+18*2锛/2=68 涓 涔欑瓙鏈夛細100-68=32涓
绛旓細鐢瞲锛涔锛100-x锛変釜锛(x-17)-锛100-x+17锛=2 x=68 鐢叉湁68涓
绛旓細璁剧敳鍘熸潵鏈塜涓紝 鍒欎箼鍘熸潵鏈100-X涓紝鍙17涓粰涔欏悗鐢茶繕澶2涓紝鍒欙紵锛圶-17锛-锛100-X+17锛=2锛屽緱X=68锛屾墍浠涔欐湁32涓紝68/32=21.25 濡傛灉涓嶇敤鏂圭▼锛屽氨杩欐牱鍊掓帹锛岀敳鏈鍚庤繕澶2涓紝姝ゆ椂鐨勬暟鐩簲璇ユ槸鐢51涓紝涔49涓紝杩欐牱鎶婄敳鎷跨粰涔欑殑17涓繕鍥炵粰鐢诧紝浜庢槸鐢插鍔17涓紝涔欏噺灏17涓紝鏈鍚庡緱...
绛旓細瑙ｏ細璁剧敳鏈墄锛屽垯鐢涔欐湁100-x (3/4)x+(4/5)(100-x)=76 0.75x+0.8*100-0.8x=76 0.05x=4 x=80 涔欙細100-180=20鍗冨厠
绛旓細100梅2=50涓 鐢插師鏉ワ細50+5=55涓 涔鍘熸潵锛50-5=45涓
绛旓細鐢茬幇鍦ㄦ瘮涔欒繕澶氫袱涓紝璇存槑鐢茬幇鍦51涓紝涔49涓紝鍦ㄤ箼涓彇鍑哄崄涓冧釜鏀惧洖鐢蹭腑锛屽氨鏄師鍏堢殑鐢蹭箼涓暟锛屽嵆鐢51+17=68涓紝涔49-17=32涓
