用简便计算题:57*36+24*36+81*64
来源:学生学帮网 编辑:学帮网 时间:2024/06/25 01:13:59
用简便计算题:57*36+24*36+81*64
=(57+24)*36+81*64
=81*36+81*64
=81*(36+64)
=81*100
=810
810
=(57+24)*36+81*64=81*36+81*64=81*100=8100
36(57+24)+81*64=36*81+81*64=81(36+64)=810
no