1. 218×730 7820×73怎麼巧算
218×730+7820×73
=218×730+782×730
=(218+782)×730
=1000×730
=730000
2. 218乘以730+7820乘以73用簡便演算法怎麼算
218×730+7820×73
=2180×73+7820×73
=(2180+7820)×73
=10000×73
=730000
3. 218x730+7820x73+1100簡便計算
4. 乘法分配律(用簡便方法計算)218x730+7820x73
218x730+7820x73
=2180×73+7820×73
=(2180+7820)×73
=10000×73
=730000