25乘以二十四简便计算 25乘以二十4简便计算

25\u4e58\u4ee524\u7528\u7b80\u4fbf\u65b9\u6cd5\u8ba1\u7b97\u600e\u4e48\u7b97

\u89e3\u6790\uff1a\u91c7\u7528\u62c6\u5206\u6cd5\uff0c\u7136\u540e\u6839\u636e\u4e58\u6cd5\u7ed3\u5408\u5f8b\u8fdb\u884c\u8ba1\u7b97\u5373\u53ef\u3002
25\u00d724
=25\u00d74\u00d76\uff08\u5c0624\u62c6\u5206\u62104\u00d76\uff09
=100\u00d76\uff08\u5c0625\u548c4\u76f8\u4e58\u5f97\u5230\u6574\u767e\u6570\uff0c\u4f7f\u8ba1\u7b97\u7b80\u5355\u5316\uff09
=600
\u4e58\u6cd5\u7ed3\u5408\u5f8b\u7528\u5b57\u6bcd\u8868\u793a\u4e3a(a\u00d7b)\u00d7c=a\u00d7(b\u00d7c)\uff0c\u5b83\u7684\u5b9a\u4e49\uff08\u65b9\u6cd5\uff09\u662f\uff1a\u4e09\u4e2a\u6570\u76f8\u4e58\uff0c\u5148\u628a\u524d\u4e24\u4e2a\u6570\u76f8\u4e58\uff0c\u518d\u548c\u7b2c\u4e09\u4e2a\u6570\u76f8\u4e58\uff1b\u6216\u5148\u628a\u540e\u4e24\u4e2a\u6570\u76f8\u4e58\uff0c\u518d\u548c\u7b2c\u4e00\u4e2a\u6570\u76f8\u4e58\uff0c\u79ef\u4e0d\u53d8\u3002
\u6269\u5c55\u8d44\u6599\uff1a\u7b80\u4fbf\u65b9\u6cd5\u8ba1\u7b97\u7684\u76f8\u5173\u5b9a\u5f8b
1\u3001\u52a0\u6cd5\u4ea4\u6362\u5f8b\uff1a\u4e24\u4e2a\u52a0\u6570\u4ea4\u6362\u4f4d\u7f6e\uff0c\u548c\u4e0d\u53d8\uff0c\u8fd9\u53eb\u505a\u52a0\u6cd5\u4ea4\u6362\u5f8b\u3002
\u5b57\u6bcd\u516c\u5f0f:a+b+c=a+c+b
2\u3001\u52a0\u6cd5\u7ed3\u5408\u5f8b\uff1a\u5148\u628a\u524d\u4e24\u4e2a\u6570\u76f8\u52a0\uff0c\u6216\u5148\u628a\u540e\u4e24\u4e2a\u6570\u76f8\u52a0\uff0c\u548c\u4e0d\u53d8\u53eb\u505a\u52a0\u6cd5\u7ed3\u5408\u5f8b\u3002
\u5b57\u6bcd\u516c\u5f0f:a+b+c=a+(b+c)
3\u3001\u4e58\u6cd5\u4ea4\u6362\u5f8b\uff1a\u4e24\u4e2a\u56e0\u6570\u4ea4\u6362\u4f4d\u7f6e\uff0c\u79ef\u4e0d\u53d8\u3002
\u5b57\u6bcd\u516c\u5f0f:a\u00d7b=b\u00d7a
4\u3001\u4e58\u6cd5\u7ed3\u5408\u5f8b\uff1a\u5148\u4e58\u524d\u4e24\u4e2a\u6570\uff0c\u6216\u5148\u4e58\u540e\u4e24\u4e2a\u6570\uff0c\u79ef\u4e0d\u53d8\u3002
\u5b57\u6bcd\u516c\u5f0f:a\u00d7b\u00d7c=a\u00d7(b\u00d7c)
5\u3001\u4e58\u6cd5\u5206\u914d\u5f8b\uff1a\u4e24\u4e2a\u6570\u7684\u548c\uff0c\u4e58\u4ee5\u4e00\u4e2a\u6570\uff0c\u53ef\u4ee5\u62c6\u5f00\u6765\u7b97\uff0c\u79ef\u4e0d\u53d8\u3002
\u5b57\u6bcd\u516c\u5f0f:(a+b)\u00d7c=a\u00d7c+b\u00d7c
6\u3001\u9664\u6cd5\u6027\u8d28\u7684\u6982\u5ff5\u4e3a\uff1a\u4e00\u4e2a\u6570\u8fde\u7eed\u9664\u4ee5\u4e24\u4e2a\u6570\uff0c\u53ef\u4ee5\u5148\u628a\u540e\u4e24\u4e2a\u6570\u76f8\u4e58\uff0c\u518d\u76f8\u9664\u3002
\u5b57\u6bcd\u516c\u5f0f:a\u00f7b\u00f7c=a\u00f7(b\u00d7c)
7\u3001\u5546\u4e0d\u53d8\u7684\u89c4\u5f8b
\u6982\u5ff5:\u88ab\u9664\u6570\u548c\u9664\u6570\u540c\u65f6\u4e58\u4e0a\u6216\u9664\u4ee5\u76f8\u540c\u7684\u6570(0\u9664\u5916)\u5b83\u4eec\u7684\u5546\u4e0d\u53d8\u3002
\u5b57\u6bcd\u516c\u5f0f:a\u00f7b=(an)\u00f7(bn)=(a\u00f7n)\u00f7(b\u00f7n) (n\u22600 b\u22600)
8\u3001\u51cf\u6cd5\u6027\u8d28\uff1a\u4e00\u4e2a\u6570\u8fde\u7eed\u51cf\u53bb\u4e24\u4e2a\u6570\uff0c\u7b49\u4e8e\u8fd9\u4e2a\u6570\u51cf\u53bb\u4e24\u4e2a\u6570\u7684\u548c\u3002
\u5b57\u6bcd\u516c\u5f0f:a-b-c=a-(b+c)

25\u4e58\u4ee5\u4e8c\u53414\u7b80\u4fbf\u8ba1\u7b97
25*24=25*\uff0820+4\uff09=600

25×24=25×（20+4）=25×20+25×4=500+100=600
或者=25×4×6=100×6=600

25*24=25*4*6=100*6=600

25×24
=25×4×6
=100×6
=600

25×4×6‍
http://wpa.b.qq.com/cgi/wpa.php?ln=1&key=XzkzODA0MzYyMV80NjA0MTBfNDAwNjI4NjE2M18yXw

25涔樹互浜屽崄鍥涚畝渚胯绠
绛旓細25脳24=25脳锛20+4锛=25脳20+25脳4=500+100=600 鎴栬=25脳4脳6=100脳6=600

35脳24鎬庝箞绠渚胯绠
绛旓細25脳24 =25脳4脳6锛堝皢24鎷嗗垎鎴4脳6锛=100脳6锛堝皢25鍜4鐩镐箻寰楀埌鏁寸櫨鏁帮紝浣胯绠楃畝鍗曞寲锛=600 绠渚胯绠鏄竴绉嶇壒娈婄殑璁＄畻锛屽畠杩愮敤浜嗚繍绠楀畾寰嬩笌鏁板瓧鐨勫熀鏈ц川锛屼粠鑰屼娇璁＄畻绠渚锛屼娇涓涓緢澶嶆潅鐨勫紡瀛愬彉寰楀緢瀹规槗璁＄畻鍑哄緱鏁般傜畝渚胯绠椾腑鏈甯哥敤鐨勬柟娉曟槸涔樻硶鍒嗛厤寰嬨備箻娉曞垎閰嶅緥鎸囩殑鏄痑x(b+c)=axb+axc鍏...

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绛旓細鍙互杩愮敤涔樻硶鍒嗛厤寰 25脳4脳6锛100脳6锛600 绠渚胯绠瀵逛笉锛

鍏垎涔嬩笁涔樹竷鍗佷簲鍒嗕箣涓冨崄涔涔樹簩鍗佸洓涔浜屽崄浜鐨绠渚胯绠
绛旓細=237

绠渚胯绠
绛旓細鍥炵瓟锛浜屽崄鍥鍒嗕箣鍗佷簲

璁＄畻涓嬮潰鍚勯,鑳界敤绠渚跨畻娉鐢ㄧ畝渚跨畻娉:姹傛眰澶т緺浠簡
绛旓細1銆11/24x16=11/3x2=22/3 2銆1/4x2/7=1/14 3銆7锛12脳6锛5锛12脳6 锛6脳锕7锛12锛5锛12锕氾紳6脳12锛12 锛6 4銆侊箼3锛5锕毭楋箼5锛6锕氾紳1锛2 5銆侊箼5锛13锕毭楋箼4锛7锕毭14 锛濓箼5锛13锕毭4脳2 锛40锛13 6銆4锛9脳5脳18 锛4脳5脳2 锛40 ...

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绛旓細绔栧紡璁＄畻鏄寚鍦ㄨ绠楄繃绋嬩腑鍒椾竴閬撶珫寮忚绠楋紝浣璁＄畻绠渚銆傚姞娉曡绠楁椂鐩稿悓鏁颁綅瀵归綈锛岃嫢鍜岃秴杩10锛屽垯鍚戝墠杩1銆傚噺娉曡绠楁椂鐩稿悓鏁颁綅瀵归綈锛岃嫢涓嶅鍑忥紝鍒欏悜鍓嶄竴浣嶅1褰10銆涔樻硶鏃朵竴涓暟鐨勭i浣嶄箻涓婂彟涓涓暟鐨勭j浣嶅氨搴斿姞鍦ㄧН鐨勭i+j-1浣嶄笂銆傞櫎娉曞42闄や互7銆備粠4寮濮嬮櫎銆斾粠楂樹綅鍒颁綆浣嶃曘傞櫎娉曠敤绔栧紡璁＄畻...

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绛旓細125脳24 =125脳8脳3 =3000 涓鐧浜屽崄浜斾箻浠ヤ簩鍗佸洓鐢绠渚鏂规硶璁＄畻銆傛垜浠煡閬撲竴鐧句簩鍗佷簲涔樹互鍏瓑浜庝竴鍗冿紝杩欎釜浜屽崄鍥涙垜浠彲浠ユ妸瀹冨垎瑙ｆ垚鍏拰涓夛紝鎵浠ヨ杩欎釜绠楀紡灏辩瓑浜庝竴鐧句簩鍗佷簲涔樹互鍏紝涔樹互涓夌瓑浜庝竴鍗冧箻浠ヤ笁锛屼笁鍗冦<!--

25涔樹簩鍗佸洓鍒嗕箣鍗佷竷鐢绠渚胯绠鎬庝箞鍋?
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绛旓細鍥炵瓟锛氬叓鍒嗕箣涓冪▼浜屽崄鍥鍔犱笁鍒嗕箣涓冪▼浜屽崄鍥涘噺鍏垎涔嬩簲绋嬩簩鍗佸洓