32×25×25的简便算法？ 32×25×25 的简便方法
32\u00d725\u00d725\u7684\u7b80\u4fbf\u7b97\u6cd5\uff1f\u7b80\u4fbf\u8ba1\u7b97\u8fc7\u7a0b\u65b9\u6cd5\u5982\u4e0b
\u89e3:32\u00d725\u00d725
=\uff084\u00d78\uff09\u00d725\u00d725
=\uff084\u00d74\u00d72\uff09\u00d725\u00d725
=4\u00d725\u00d74\u00d725\u00d72
=100\u00d7100\u00d72
=20000
32\u00d725\u00d725
=(4\u00d725)\u00d7(4\u00d725\uff09\u00d72
=100\u00d7100\u00d72
=20000
\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff0c\u8bf7\u91c7\u7eb3\u6b63\u786e\u7b54\u6848\uff0c\u70b9\u51fb\u3010\u91c7\u7eb3\u7b54\u6848\u3011\uff0c\u8c22\u8c22 ^_^
\u4f60\u7684\u70b9\u8d5e\u6216\u91c7\u7eb3\u662f\u6211\u7ee7\u7eed\u5e2e\u52a9\u5176\u4ed6\u4eba\u7684\u52a8\u529b\uff01
=2×100×100
=20000
解法分析：凑100，利用乘法结合律，按照四则运算法则进行运算，同级运算按顺序计算，所以就可以很快得出结果。
32分成4×8，用4和8分别×25，得到100和200，再用100×200，答案20000
很简单，32换成4*8,分别乘以25就得到答案了。
32×25×25=4×8×25×25=（4×25）×（8×25）=100×200=20000
32×25×25的简便算法：
4×25×4×25×2
=100×100×2
=20000
绛旓細绠渚胯绠杩囩▼鏂规硶濡備笅 瑙:32脳25脳25 =锛4脳8锛壝25脳25 =锛4脳4脳2锛壝25脳25 =4脳25脳4脳25脳2 =100脳100脳2 =20000
绛旓細=2脳锛4脳25锛壝楋紙4脳25锛=2脳100脳100 =20000 瑙ｆ硶鍒嗘瀽锛氬噾100锛屽埄鐢ㄤ箻娉曠粨鍚堝緥锛屾寜鐓у洓鍒欒繍绠楁硶鍒欒繘琛岃繍绠楋紝鍚岀骇杩愮畻鎸夐『搴忚绠楋紝鎵浠ュ氨鍙互寰堝揩寰楀嚭缁撴灉銆
绛旓細鍙互鎶婂叾涓殑32鍒嗚В鎴4脳4脳2,閭ｄ箞25脳4姝ｅソ鏄100,绠楀紡灏卞彉鎴愪簡25脳4脳4脳2脳25绛変簬100脳2脳100锛岀粨鏋滃氨鏄20000銆
绛旓細=(25*4)*(25*4)*2 =100*100*2 =20000
绛旓細25x4=100 鎶32鍒嗘垚4x4x2 25x4x25x4x2=100x100x2=20000
绛旓細32脳25 =8脳锛4脳25锛=8脳100 =800 浣犲ソ锛屾湰棰樺凡瑙ｇ瓟,濡傛灉婊℃剰 璇风偣鍙充笂瑙掆滈噰绾崇瓟妗堚濄
绛旓細32脳25鑴卞紡璁＄畻 瑙ｉ鎬濊矾锛氬洓鍒欒繍绠楄鍒欙紙鎸夐『搴忚绠椼佸厛绠椾箻闄ゅ悗绠楀姞鍑忥紝鏈夋嫭鍙峰厛绠楁嫭鍙凤紝鏈変箻鏂瑰厛绠椾箻鏂癸級鍗宠劚寮忚繍绠楋紙閫掔瓑寮忚绠楋級闇鍦ㄨ鍘熷垯鍓嶆彁涓嬭繘琛 瑙ｉ杩囩▼锛32脳25 =8脳锛4脳25锛=8脳100 =800 瀛樼枒璇疯拷闂紝婊℃剰璇烽噰绾
绛旓細4脳8)=25脳4脳8=100脳8=800杩欎釜棰樼敤鍒颁簡鎴愭湰鏁板瓧鐨勬柟娉曪紝鍐嶇敤涔樻硶缁撳悎寰嬫潵杩涜璁＄畻锛岄氳繃瑙傚療鍙戠幇锛25脳4=100锛屽彧瑕佷粠32閲屾壘涓涓4锛屽氨鍙互璺25缁撳悎锛屼簬鏄氨瑕佹妸32鍒嗘垚4脳8锛屽苟涓斿埢鎰忕殑鎶4鍐欎簡鎸ㄧ潃25锛岃繖鏍锋湁鍒╀簬锛屽湪鍘绘嫭鍙风殑鏃跺欏氨涓嶉渶瑕佸啀杩涜浜ゆ崲鏁板瓧锛岄氳繃杩欑鏂规硶鍙互浣胯繖涓绠楁洿鍔犵殑绱у瘑...
绛旓細鐪
绛旓細25脳32绠渚跨畻娉 =25x4x8 =100x8 =800
