165x164/9用简便方法计算
165x164/9用简便方法计算
日期：2022-04-01 15:44:12 人气：1
165x164/9
=55*164/3
=(60-5)*164/3
=20*164-920/3
=3280-(900+18+2)/3
=3280-(300+6+2/3)
=2973又1/3
=55*164/3
=(60-5)*164/3
=20*164-920/3
=3280-(900+18+2)/3
=3280-(300+6+2/3)
=2973又1/3