王叔叔和李叔叔共同加工一批零件,王叔叔单独做3天完成,李叔叔单独做6天完成,两人合作需要几天?完成 加工一批零件,王叔叔和李叔叔合做15天完成。如果王叔叔做5天...
\u738b\u53d4\u53d4\u548c\u674e\u53d4\u53d4\u5171\u540c\u52a0\u5de5\u4e00\u6279\u96f6\u4ef6\uff0c\u738b\u53d4\u53d4\u5355\u72ec\u505a\u89813\u5929\uff0c\u674e\u53d4\u53d4\u5355\u72ec\u505a\u89816\u5929\uff0c\u4e24\u4eba\u5408\u4f5c\u9700\u8981\u591a\u5c11\u5929\u5b8c\u6210\uff1f\u5408\u4f5c\u5929\u6570=1\u00f7(1/3+1/6)=2\u5929\uff1b
\u738b\u53d4\u53d4\u505a=2\u00d7(1/3)=2/3;
\u674e\u53d4\u53d4\u505a=2\u00d7(1/6)=1/3;
\u60a8\u597d\uff0c\u5f88\u9ad8\u5174\u4e3a\u60a8\u89e3\u7b54\uff0cskyhunter002\u4e3a\u60a8\u7b54\u7591\u89e3\u60d1
\u5982\u679c\u672c\u9898\u6709\u4ec0\u4e48\u4e0d\u660e\u767d\u53ef\u4ee5\u8ffd\u95ee\uff0c\u5982\u679c\u6ee1\u610f\u8bb0\u5f97\u91c7\u7eb3
\u5982\u679c\u6709\u5176\u4ed6\u95ee\u9898\u8bf7\u91c7\u7eb3\u672c\u9898\u540e\u53e6\u53d1\u70b9\u51fb\u5411\u6211\u6c42\u52a9\uff0c\u7b54\u9898\u4e0d\u6613\uff0c\u8bf7\u8c05\u89e3\uff0c\u8c22\u8c22\u3002
\u795d\u5b66\u4e60\u8fdb\u6b65
\u89e3\uff1a\u201c\u738b\u53d4\u53d4\u505a5\u5929\uff0c\u674e\u53d4\u53d4\u505a3\u5929\u201d
\u76f8\u5f53\u4e8e\u4e24\u4eba\u5408\u505a\u4e863\u5929\uff0c\u5b8c\u6210\u4e86\u5168\u90e8\u4efb\u52a1\u7684\uff1a1/15\u00d73=1/5\uff1b
\u738b\u53d4\u53d4\u5355\u72ec\u505a\u4e86\uff1a5-3=2\u5929\uff0c\u5b8c\u6210\u4e86\uff1a7/30-1/5=1/30
\u738b\u53d4\u53d4\u5e73\u5747\u6bcf\u5929\u5b8c\u6210\u5168\u90e8\u4efb\u52a1\u7684\uff1a1/30\u00f72=1/60
\u6240\u4ee5\uff0c\u8fd9\u6279\u96f6\u4ef6\u5171\u6709\uff1a18\u00f71/60=1080\u4e2a
绛旓細鐜嬪彅鍙姣忓ぉ鍋氳繖鎵闆朵欢鐨1/3锛岃鏉庡彅鍙姣忓ぉ鍋氳繖鎵归浂浠剁殑1/6锛岃繖鎵归浂浠舵槸1锛岄偅涔1闄や互锛1/3+1/6锛夛紳2锛堝ぉ锛夊氨鏄袱浜哄悎浣滈渶瑕佺殑澶╂暟锛屼篃灏辨槸2澶┿傜帇鍙斿彅姣忓ぉ鍋1/3锛2澶╁氨鍋氫簡杩欐壒闆朵欢鐨1/3+1/3锛2/3锛屾姌绠楁垚鐧惧垎鍒朵篃灏辨槸澶х害鐧惧垎涔嬪叚鍗佸叚鐐瑰叚涓冿紝鑰屾潕鍙斿彅姣忓ぉ鍋1/6锛2澶╁氨鍋氫簡杩欐壒...
绛旓細涓鍏600涓紝涓や釜浜轰竴灏忔椂100涓傚緢绠鍗曠殑銆
绛旓細6脳(29锛51)=6脳100 =600(涓)绛斾竴鍏辨湁600涓
绛旓細涓変汉骞冲潎姣忓ぉ鍔犲伐56涓闆朵欢
绛旓細锛49+51锛壝8 =100脳8 =800锛堜釜锛夌瓟锛氳繖鎵闆朵欢鍏辨湁800涓紟
绛旓細鏉庡彅鍙斿拰鐜嬪彅鍙鍚屾椂鍔犲伐涓鎵归浂浠鏉庢斁鍙旀瘡灏忔椂鍔犲伐闆朵欢45涓帇鍙斿彅姣忓皬鏃跺姞宸ラ浂浠5l涓仛浜6灏忔椂瀹屾垚杩 鏉庡彅鍙斿拰鐜嬪彅鍙斿悓鏃跺姞宸ヤ竴鎵归浂浠舵潕鏀惧彅姣忓皬鏃跺姞宸ラ浂浠45涓帇鍙斿彅姣忓皬鏃跺姞宸ラ浂浠5l涓仛浜6灏忔椂瀹屾垚杩欐壒闆朵欢鏈夊灏戜釜... 鏉庡彅鍙斿拰鐜嬪彅鍙斿悓鏃跺姞宸ヤ竴鎵归浂浠舵潕鏀惧彅姣忓皬鏃跺姞宸ラ浂浠45涓帇鍙斿彅姣忓皬鏃跺姞宸ラ浂浠5l涓仛浜6灏忔椂...
绛旓細瑙o細鈥鐜嬪彅鍙鍋5澶╋紝鏉庡彅鍙鍋3澶┾濈浉褰撲簬涓や汉鍚堝仛浜3澶╋紝瀹屾垚浜嗗叏閮ㄤ换鍔$殑锛1/15脳3=1/5锛涚帇鍙斿彅鍗曠嫭鍋氫簡锛5-3=2澶╋紝瀹屾垚浜嗭細7/30-1/5=1/30 鐜嬪彅鍙斿钩鍧囨瘡澶╁畬鎴愬叏閮ㄤ换鍔$殑锛1/30梅2=1/60 鎵浠ワ紝杩欐壒闆朵欢鍏辨湁锛18梅1/60=1080涓 ...
绛旓細涓ゅぉ锛鐜嬪彅鍙鐧惧垎涔33.33鏉庡彅鐧惧垎涔66.6666
绛旓細宸ヤ綔鏁堢巼鏂归潰鐨勯銆鐜嬪彅鍙鐨勫伐浣滄晥鐜囨槸1/8锛鏉庡彅鍙鐨勫伐浣滄晥鐜囨槸1/7锛屼袱浜哄悓鏃跺畬鎴3/4銆傚彲浠ョ敤鏂圭▼瑙g瓟锛岃涓や汉涓璧鍔犲伐x澶╄兘瀹屾垚杩欐壒闆朵欢鐨3/4銆(1/8+1/7)x=3/4 (15/56)x=3/4 x=14/5 鍗充袱浜轰竴璧峰姞宸14/5澶╄兘瀹屾垚杩欐壒闆朵欢鐨3/4銆
绛旓細7锛8锛0.875涓 0.8锛0.875 鐜嬪彅鍙鏁堢巼楂樸