367×46+366×54+54=367×46+367×54=367×(46+54)=367×100=36700
=(366+1)*46+366*54+54=366*46+46+366*54+54=366*(46+54)+46+54=366*100+100=36600+100=36700
=367*46+(366+1)*54=367*(54+46)=36700