237-37×3的简便运算方法? 237-(37-19)的简便计算?
237-45\u00d73\u7684\u7b80\u4fbf\u65b9\u6cd5\uff1f=237-45\u00d73=102
\u5229\u7528\u52a0\u6cd5\u7684\u4ea4\u6362\u5f8b\u8fd0\u7b97
\u5f97\u5230237-37+19\uff0c\u4e8e\u662f\u7ed3\u679c\u4e3a219
遇到这种题我就不建议用什么简便运算了,还是直接先乘除后加减就行了,结果是237-111=126
先算37×3后算237-的就可以了
237-37×3
=79×3-37×3
=(79-37)×3
=42×3
=126
这个可以看成是200减去2个37的差来解吧。
绛旓細鍒╃敤鍒嗛厤寰嬬畝绠椼237x6-6x37 =锛237-37锛墄6 =200x6 =1200
绛旓細237x101-237=237x锛101-1锛=237x100=23700 鏈涢噰绾
绛旓細鍙互鎻愬彇鍏洜寮忥細237x锛101-1锛=237x100=23700锛岃繖鏍璁$畻灏卞彲浠ヤ簡銆
绛旓細杩欎笁閬撻鐨勭畝渚胯绠楁柟娉锛岄渶瑕佸噾鏁存暟锛536-216-84 =536-(216+84)=536-300 =236 237-(37-28)=237-37+28 =228 40脳67脳25 =20脳50脳67 =1000脳67 =67000
绛旓細鍘熷紡=54脳锛237-37锛=54脳200 =10800 姝ら杩愮敤鐨勪负涔樻硶鍒嗛厤寰嬨
绛旓細237x62涓37X62绠渚胯绠 237x62涓37X62 =62*锛237-37锛=62*200 =12400
绛旓細46脳237-37脳46 =46x锛237-37锛=46x200 =9200 鏈嬪弸锛岃銆愰噰绾崇瓟妗堛戯紝鎮ㄧ殑閲囩撼鏄垜绛旈鐨勫姩鍔涳紝璋㈣阿銆
绛旓細鑰冪偣锛氭彁鍏洜寮
绛旓細237x54-54x37 =锛237-37锛壝54 =200脳54 =10800
绛旓細鍒╃敤鍔犳硶鐨勪氦鎹㈠緥杩愮畻 寰楀埌237-37+19锛屼簬鏄粨鏋滀负219