二分之一加四分之一等于几
\u4e8c\u5206\u4e4b\u4e00\u52a0\u56db\u5206\u4e4b\u4e00\u7b49\u4e8e\u591a\u5c11\u4e8c\u5206\u4e4b\u4e00\u52a0\u56db\u5206\u4e4b\u4e00
=4\u5206\u4e4b2+4\u5206\u4e4b1
=4\u5206\u4e4b3
\u4e8c\u5206\u4e4b\u4e00\u52a0\u56db\u5206\u4e4b\u4e00\u7b49\u4e8e\uff1a4\u5206\u4e4b3
\u89e3\u6790\uff1a\u5148\u901a\u5206\uff0c\u540e\u8ba1\u7b97\u30024\u672c\u8eab\u5c31\u662f2\u7684\u500d\u6570\uff0c\u6240\u4ee5\u628a\u5206\u65702\u5206\u4e4b1\u5316\u6210\u5206\u6bcd\u662f4\u7684\u5206\u6570\uff0c\u76f8\u52a0\u5373\u53ef\u3002
\u4e8c\u5206\u4e4b\u4e00\u52a0\u56db\u5206\u4e4b\u4e00
=(1\u00d72\uff09/(2\u00d72\uff09+1/4\uff08\u4e8c\u5206\u4e4b\u4e00\u5316\u6210\u5206\u6bcd\u662f4\u7684\u5206\u6570\uff09
=2/4+1/4\uff08\u5206\u5b50\u76f8\u52a0\uff0c\u5206\u6bcd\u4e0d\u53d8\uff09
=3/4
\u6ce8\uff1a\u4e24\u4e2a\u6216\u591a\u4e2a\u6574\u6570\u7684\u516c\u500d\u6570\u91cc\u6700\u5c0f\u7684\u90a3\u4e00\u4e2a\u53eb\u505a\u5b83\u4eec\u7684\u6700\u5c0f\u516c\u500d\u6570\u3002\u6574\u6570a\uff0cb\u7684\u6700\u5c0f\u516c\u500d\u6570\u8bb0\u4e3a[a\uff0cb]\uff0c\u540c\u6837\u7684\uff0ca\uff0cb\uff0cc\u7684\u6700\u5c0f\u516c\u500d\u6570\u8bb0\u4e3a[a\uff0cb\uff0cc]\uff0c\u591a\u4e2a\u6574\u6570\u7684\u6700\u5c0f\u516c\u500d\u6570\u4e5f\u6709\u540c\u6837\u7684\u8bb0\u53f7\u3002
\u6269\u5c55\u8d44\u6599\uff1a\u4e00\u3001\u901a\u5206\u6b65\u9aa4
1\u3001\u5148\u6c42\u51fa\u539f\u6765\u51e0\u4e2a\u5206\u6570\uff08\u5f0f\uff09\u7684\u5206\u6bcd\u7684\u6700\u7b80\u516c\u5206\u6bcd\uff1b
2\u3001\u6839\u636e\u5206\u6570\uff08\u5f0f\uff09\u7684\u57fa\u672c\u6027\u8d28\uff0c\u628a\u539f\u6765\u5206\u6570\uff08\u5f0f\uff09\u5316\u6210\u4ee5\u6700\u7b80\u516c\u5206\u6bcd\u4e3a\u5206\u6bcd\u7684\u5206\u6570\uff08\u5f0f\uff09\u3002
\u4e8c\u3001\u901a\u5206\u548c\u7ea6\u5206\u7684\u4f9d\u636e\u90fd\u662f\u5206\u6570\uff08\u5f0f\uff09\u7684\u57fa\u672c\u6027\u8d28\uff1a
\u5206\u6570\uff08\u5f0f\uff09\u7684\u5206\u5b50\u3001\u5206\u6bcd\u540c\u4e58\u4ee5\u6216\u9664\u4ee5\u4e00\u4e2a\u4e0d\u7b49\u4e8e\u96f6\u7684\u6570\uff08\u5f0f\uff09\uff0c\u5206\u6570\uff08\u5f0f\uff09\u7684\u5927\u5c0f\u4e0d\u53d8\u3002
\u4e09\u3001\u5206\u6570\u52a0\u51cf\u6cd5
1\u3001\u540c\u5206\u6bcd\u5206\u6570\u76f8\u52a0\uff0c\u5206\u6bcd\u4e0d\u53d8\uff0c\u5206\u5b50\u76f8\u52a0\uff0c\u6700\u540e\u8981\u5316\u6210\u6700\u7b80\u5206\u6570\u3002
2\u3001\u5f02\u5206\u6bcd\u5206\u6570\u76f8\u52a0\uff0c\u5148\u901a\u5206\uff0c\u518d\u6309\u540c\u5206\u6bcd\u5206\u6570\u76f8\u52a0\u6cd5\u53bb\u8ba1\u7b97\uff0c\u6700\u540e\u8981\u5316\u6210\u6700\u7b80\u5206\u6570\u3002
3\u3001\u5206\u6570\u8fde\u52a0\u51cf\uff0c\u4e00\u4e2a\u6570\u8fde\u7eed\u51cf\u53bb\u51e0\u4e2a\u5206\u6570\uff0c\u7b49\u4e8e\u8fd9\u4e2a\u6570\u8fde\u7eed\u51cf\u53bb\u51e0\u4e2a\u5206\u6570\u7684\u548c\u3002
4\u3001\u540c\u5206\u6bcd\u5206\u6570\u76f8\u51cf\uff0c\u5206\u6bcd\u4e0d\u53d8\uff0c\u5206\u5b50\u76f8\u51cf\uff0c\u6700\u540e\u8981\u5316\u6210\u6700\u7b80\u5206\u6570\u3002
5\u3001\u5f02\u5206\u6bcd\u5206\u6570\u76f8\u51cf\uff0c\u5148\u901a\u5206\uff0c\u518d\u6309\u540c\u5206\u6bcd\u5206\u6570\u76f8\u51cf\u6cd5\u53bb\u8ba1\u7b97\uff0c\u6700\u540e\u8981\u5316\u6210\u6700\u7b80\u5206\u6570\u3002
=4分之2+4分之1
=4分之3
1/2加1/4等于3/4
四分之三
四分之三
绛旓細浜屽垎涔嬩竴鍔犲洓鍒嗕箣涓绛変簬锛4鍒嗕箣3 瑙ｆ瀽锛氬厛閫氬垎锛屽悗璁＄畻銆4鏈韩灏辨槸2鐨勫嶆暟锛屾墍浠ユ妸鍒嗘暟2鍒嗕箣1鍖栨垚鍒嗘瘝鏄4鐨勫垎鏁帮紝鐩稿姞鍗冲彲銆備簩鍒嗕箣涓鍔犲洓鍒嗕箣涓 =(1脳2锛/(2脳2锛+1/4锛堜簩鍒嗕箣涓鍖栨垚鍒嗘瘝鏄4鐨勫垎鏁帮級=2/4+1/4锛堝垎瀛愮浉鍔狅紝鍒嗘瘝涓嶅彉锛=3/4 娉細涓や釜鎴栧涓暣鏁扮殑鍏嶆暟閲屾渶灏忕殑...
绛旓細浜屽垎涔嬩竴鍔犲洓鍒嗕箣涓绛変簬鍥涘垎涔嬩笁 瑙ｏ細1/2+1/4 =2/4+1/4 =3/4
绛旓細2鍒嗕箣涓锛4鍒嗕箣涓绛変簬锛4鍒嗕箣3 瑙ｆ瀽锛氬厛閫氬垎锛屽悗璁＄畻銆傚垎姣2鍜4鐨勬渶灏忓叕鍊嶆暟鏄4锛屾墍浠ユ妸鍒嗘暟2鍒嗕箣1鍖栨垚鍒嗘瘝鏄4鐨勫垎鏁般傜浉鍔犲悗鍐嶇害鍒嗗緱鍑虹粨鏋溿1/2+1/4 =(1脳2锛/(2脳2锛+1/4锛堝垎瀛愩佸垎姣嶅悓鏃朵箻浠2锛岃繖鏍锋暟鍊间笉鍙橈級=2/4+1/4锛堝垎瀛愮浉鍔狅紝鍒嗘瘝涓嶅彉锛=3/4 ...
绛旓細浜屽垎涔嬩竴鍔犲洓鍒嗕箣涓绛変簬3/4銆傛牴鎹鎰忓垪绠楀紡锛1/2+1/4 =2/4+1/4 =3/4 鍒嗘暟鐨勬敞鎰忎簨椤癸細鍒嗘瘝涓瀹氫笉鑳戒负0锛屽洜涓哄垎姣嶇浉褰撲簬闄ゆ暟銆傚惁鍒欑瓑寮忔棤娉曟垚绔嬶紝鍒嗗瓙鍙互绛変簬0锛屽洜涓哄垎瀛愮浉褰撲簬琚櫎鏁般傜浉褰撲簬0闄や互浠讳綍涓涓暟锛屼笉璁哄垎姣嶆槸澶氬皯锛岀瓟妗堥兘鏄0銆傚垎鏁颁腑鐨勫垎瀛愭垨鍒嗘瘝缁忚繃绾﹀垎鍚庝笉鑳藉嚭鐜版棤鐞嗘暟锛...
绛旓細浜屽垎涔嬩竴鍔犲洓鍒嗕箣涓绛変簬鍥涘垎涔嬩笁銆傝В棰樻楠わ細鍒嗘瘝涓嶅悓锛屽皢浜屽垎涔嬩竴閫氬垎锛屽彉鎴愬洓鍒嗕箣浜岋紝鍙互寰楀埌锛2/4+1/4=3/4 閫氬垎鐨勬楠 1銆佸厛姹傚嚭鍘熸潵鍑犱釜鍒嗘暟锛堝紡锛夌殑鍒嗘瘝鐨勬渶绠鍏垎姣嶏紱2銆佹牴鎹垎鏁帮紙寮忥級鐨勫熀鏈ц川锛屾妸鍘熸潵鍒嗘暟锛堝紡锛夊寲鎴愪互鏈绠鍏垎姣嶄负鍒嗘瘝鐨勫垎鏁帮紙寮忥級銆
绛旓細浜屽垎涔嬩竴鍔犲洓鍒嗕箣涓 =4鍒嗕箣2锛4鍒嗕箣1 =4鍒嗕箣3锛
绛旓細2鍒嗕箣1+4鍒嗕箣1 =4鍒嗕箣2+4鍒嗕箣1 =4鍒嗕箣3
绛旓細浜屽垎涔嬩竴鍔犲洓鍒嗕箣涓绛変簬鍥涘垎涔嬩笁
绛旓細浜屽垎涔嬩竴鍔犲洓鍒嗕箣涓绛変簬3/4銆傝В绛旇繃绋嬪涓嬶細锛1锛変簩鍒嗕箣涓鍔犲洓鍒嗕箣涓鍙互鍐欐垚锛1/2+1/4銆傦紙2锛1/2+1/4杩欐槸寮傚垎姣嶇殑鍔犳硶锛岄鍏堥渶瑕侀氬垎銆傦紙3锛2鍜4鐨勬渶灏忓叕鍊嶆暟鏄4锛屾墍浠1/2鍙互閫氬垎鎴2/4銆傦紙4锛変簬鏄1/2+1/4=2/4+1/4=3/4銆
绛旓細1/2+1/4=3/4銆傚紓鍒嗘瘝鍒嗘暟鍔犲噺娉曪紝闇瑕佸厛閫氬垎锛屽悗璁＄畻銆4鏈韩灏辨槸2鐨勫嶆暟锛屾墍浠ユ妸鍒嗘暟2鍒嗕箣1鍖栨垚鍒嗘瘝鏄4鐨勫垎鏁帮紝鐩稿姞鍗冲彲1/2+1/4=1*2/(2*2)+1/4=2/4+1/4=3/4銆
