55x25十25x25简便算法分析 55X25+25x45，简便计算？

55X25\u534125X45\u7b80\u4fbf\u8ba1\u7b97\uff1f

\u8131\u5f0f\u8ba1\u7b97
55X25\u534125X45
=\uff0855+45\uff09x25
=100x25
=2500

\u4f60\u597d\uff0c\u8fd9\u9053\u9898\u7684\u7b80\u4fbf\u7b97\u6cd5\u5982\u4e0b\uff1a

55\u00d725+25\u00d745
=(55+45)\u00d725
=100\u00d725
=2500
\u671b\u91c7\u7eb3\u3002

55X25+25X25
=25X(55+25)
=25X80
=2000

25x75鍗125x5鐢绠渚鏂规硶鎬庝箞绠
绛旓細25x75鍗125x5 =25x75鍗25x5x5 =25x75鍗25x25 =25x(75鍗25)=25x100 =2500

55X25+45x25
绛旓細25X(55鍗25

25脳25鎬庢牱绠渚胯绠?
绛旓細璁＄畻杩囩▼濡備笅锛25脳25 =25x锛20+5锛=500+125 =625 涔樻硶杩愮畻鎬ц川锛氬嚑涓暟鐨勭Н涔樹竴涓暟锛屽彲浠ヨ绉噷鐨勪换鎰忎竴涓洜鏁颁箻杩欎釜鏁帮紝鍐嶅拰鍏朵粬鏁扮浉涔樸備緥濡傦細(25脳3 脳 9)脳4=25脳4脳3脳9=2700銆備袱涓暟鐨勫樊涓庝竴涓暟鐩镐箻锛屽彲浠ヨ琚噺鏁板拰鍑忔暟鍒嗗埆涓庤繖涓暟鐩镐箻锛屽啀鎶婃墍寰楃殑绉浉鍑忋備緥濡傦細 (137-...

25脳25绠渚鏂规硶
绛旓細625 閲囩撼鍝

25x125x25鐨勭畝渚跨畻娉鏄庢牱绠?
绛旓細25x125x25鐨勭畝渚跨畻娉鏄 =25脳5脳25脳25 =5脳5脳5脳5脳5脳5脳5 =78125

55X25涓25X45鍗30涓25绠渚胯绠绛旀
绛旓細鍘熷紡 =锛55-45锛x25+(30-25)=10x25+5 =250+5 =255 渚涘弬鑰冦

涓夊勾绾т袱浣嶆暟涔樹互涓浣嶆暟绠渚鏂规硶鎬庝箞璁＄畻
绛旓細36X17 32X48 36X10 79X69 32X22 55X99 26X58 47X16 25X32 48X32 10X90 75X30 51X36 65X35 98X74 89X12 33X66 14X32 98X10 65X13 65X19 96X26 17X87 36X50 74X34 25X14 36X10 65X25 涓夊勾绾ф暟瀛︼細涓や綅鏁颁箻浠ヤ袱浣嶆暟锛岀Н涓瀹氭槸鍥涗綅鏁 涓嶅銆備篃鏈変笁浣嶆暟銆傛瘮濡10锛10绛変簬100 ...

5555X15鍗1111x25绠渚鏂规硶
绛旓細5555X15鍗1111x25 =1111X5X15鍗1111x25 =1111X锛5X15+25锛=1111X100 =111100

55X25涓25X45鍗30X25鎬庝箞绠渚
绛旓細绛旀

56x25+43X25+25鐢绠渚挎柟娉曡绠?
绛旓細56x25=绠渚胯绠56x25=锛14x4锛墄25=14x锛4x25锛=14x100=1400绛旈杈涜嫤鏈涢噰绾冲姞娉曠殑绠渚胯繍绠椼傚姞娉曡繘琛岀畝渚胯繍绠楄繍鐢ㄥ埌鐨勮繍绠楀畾寰嬩富瑕佺敤涓や釜锛氬姞娉曚氦鎹㈠緥鍜屽姞娉曠粨鍚堝緥锛屽綋鐒惰繕鏈夊叾瀹冪伒娲诲鐞嗙殑鏂规硶锛屽叾鍩烘湰鍘熷垯灏辨槸鍑戝崄銆佸噾鐧剧瓑銆傛讳箣杩涜绠渚胯繍绠楀鐞嗗悗瑕佹湁鍒╀簬鎴戜滑杩涜鍙ｇ畻寰楀嚭缁撴灉銆2銆佸噺娉曠殑绠渚胯繍绠椼...

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