46*17+83*6.要简便计算
问题描述:
46*17+83*6.要简便计算
答
46*17+83*6=46*17+(100-17)*6
=46*17-6*17+100*6
=(46-6)*17+600
=40*17+600
=680+600
=1280
答
=40*17+6*17+83*6
=40*17+6*100
=680+600
=1280