11*40+89*48+8*11的简便方式计算

问题描述:

11*40+89*48+8*11的简便方式计算

11*40+89*48+8*11=11*40+89*48+48*11-11*40=89*48+48*11=48(89+11)=4800

=11*(40+8)+89*48=48*(11+89)=4800

11*40+89*48+8*11
=11*(40+8)+89*48
=(11+89)*48
=100*48
=4800