25×23×(40+4)的脱式 25×（40+4）
\u4e58\u6cd5\u5206\u914d\u5f8b25 \u00d7\uff0840+4)\u8131\u5f0f\u8ba1\u7b97\u600e\u4e48\u505a\uff0c\u6700\u7b80\u4fbf\u65b9\u6cd5\uff0c\u6025\u4e58\u6cd5\u5206\u914d\u5f8b\u8ba1\u7b97\u65b9\u6cd5\uff0c\u5c31\u662f\u628a\u4e58\u6570\u548c\u5bf9\u8c61\u4e58\u5f0f\u7684\u5404\u90e8\u5206\u5206\u914d\u76f8\u4e58\uff0c\u7136\u540e\u7684\u79ef\u518d\u76f8\u4e92\u505a\u8ba1\u7b97\u52a0\u51cf\u3002
\u672c\u8eab\u5c31\u662f\u7b80\u4fbf\u7684\u65b9\u6cd5\uff0c\u5173\u952e\u5728\u4e8e\u7406\u89e3\u65b9\u6cd5\u7684\u601d\u8def\u539f\u7406\uff0c\u719f\u7ec3\u638c\u63e1\u3002
25 x \uff0840+4\uff09\u8131\u5f0f\uff1d25x 40+ 25x4 \uff1d1000+100 \uff1d1100
\u89e3\uff1a25\u00d7\uff0840+4\uff09\u7b49\u4e8e\uff08 1100 \uff09
\u2235\u5df2\u77e5\u9700\u6c42\u51fa25\u00d7\uff0840+4\uff09\u7b49\u4e8e\u591a\u5c11
X \u00d7 \uff08Y + Z\uff09= X \u00d7 Y + X \u00d7 Z
\u223425 \u00d7\uff0840 + 4\uff09
= 25 \u00d7 40 + 25 \u00d7 4
= 1000 + 100
= 1100
\u7b54\uff1a25\u00d7\uff0840+4\uff09\u7b49\u4e8e1100
25x23x(40+4)
=25x23x40+25x23x4
=1000x23+100x23
=23000+2300
=25300
绛旓細25*4*11=1100
绛旓細鍥炵瓟锛11*4*25=11*100
绛旓細25脳74脳40鐨绠渚胯繍绠楋紝鎵璋鑴卞紡锛屽氨鏄竴姝ヤ竴姝ユ潵锛岃繖浜涙妸74鍜40浜ゆ崲浣嶇疆 25脳74脳40 =25脳40脳74 =1000脳74 =7400銆
绛旓細25x74x40 =25x40x74 =1000x74 =74000 鍥犱负25x4=100 2x5=10 4x25=100 8x125=1000
绛旓細25脳45脳4脳2鐨勮劚寮璁＄畻銆25脳4脳45脳2.=100脳90=9000.
绛旓細125脳锛8+4锛 12脳锛40-5锛 5脳27+63脳5 64脳9-14脳9 23脳134-34脳23 68脳48+68脳52 48脳101-48 65脳5+35脳5 49脳25脳8 79脳32+79脳68 67脳101-67 256脳7-56脳7 锛75锛25梅5锛夛紞40 2800梅25脳4锛80 锛380锛80脳4锛壝60 ...
绛旓細138脳25脳4 (13脳125)脳(3脳8)(12+24+80)脳50 704脳25 25脳32脳125 32脳(25+125)88脳125 102脳76 58脳98 178脳101锛178 84脳36+64脳84 75脳99+2脳75 83脳102锛83脳2 98脳199 123脳18锛123脳3+85脳123 50脳(34脳4)脳3 25脳锛24+16锛178脳99+178 79脳42+79+79脳57 73...
绛旓細鍥
绛旓細鑴卞紡璁＄畻鏄竴涓暟瀛﹀绉戞湳璇紝鍗抽掔瓑寮忚绠楋紝鎶婅绠楄繃绋嬪畬鏁村啓鍑烘潵鐨勮繍绠楋紝涔熷氨鏄劚绂荤珫寮忕殑璁＄畻銆25脳5脳4脳2 =25x4x5x2 =(25x4)x(5x2)=100x10 =1000銆
绛旓細25脳32脳125 32脳(25+125)102脳76 58脳98 178脳101锛178 84脳36+64脳84 75脳99+2脳75 83脳102锛83脳2 98脳199 123脳18锛123脳3+85脳123 50脳(34脳4)脳3 25脳锛24+16锛178脳99+178 79脳42+79+79脳57 7300梅25梅4 8100梅4梅75 53.鑴卞紡璁＄畻鍗抽掔瓑寮忚绠楋紝鎶婅绠楄繃绋嬪畬鏁村啓鍑烘潵...
