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47x181一47x81简便方法

小朋友很高兴为你服务,解:原式=(44+47)*9+81=91*9+81=91*9+9*9=(91+9)*9=900,望采纳,谢谢!

47x78十47x23一47=47x(78+23-1)=47x(100)=4700

=47x(184-84)=47x100=4700

简便计算过程方法如下解:47*129+ 47-47*30=47x(129+1-30)=47x100=4700

47x123-47x123 =47*(123-123) =47*0 =0 问题已解决,望采纳.

47x72十47x27十47=47x(72十27+1)=47x100=4700

你好!47x15x(20+8)=47x15x28=47x15x4x7=47x7x15x4=329x60=19740 仅代表个人观点,不喜勿喷,谢谢.

47X(8十92)=47*100=4700再看看别人怎么说的.

(181-81)x95=9500

384-181-284 81简便运算384-181-284+81=(394-284)+(81-181)=100-100=0

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