(1+92+35)×(92+35+47)-(1+92+35+47)×(92+35)
=(1+127)X174-(1+174)X127
=1X174+127X174-1X127-174X127
=(174-127)+(127X174-174X127)
=47+0
=47
(此题主要运用了乘法分配律和加法交换律进行简便计算.)
(1+92+35)×(92+35+47)-(1+92+35+47)×(92+35)
=(1+127)X174-(1+174)X127
=1X174+127X174-1X127-174X127
=(174-127)+(127X174-174X127)
=47+0
=47
(此题主要运用了乘法分配律和加法交换律进行简便计算.)