用简便计算题:57*36+24*36+81*64
问题描述：
用简便计算题:57*36+24*36+81*64
答
=(57+24)*36+81*64=81*36+81*64=81*100=8100
答
36（57+24）+81*64=36*81+81*64=81（36+64）=810
答
no
答
810
答
=(57+24)*36+81*64
=81*36+81*64
=81*(36+64)
=81*100
=810