8.6×44+56×18.6巧算

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/05/27 02:28:59

8.6×44+56×18.6巧算

8.6×44+56×18.6
=8.6×44+56×(10+8.6)
=8.6×44+56×10+56×8.6
=8.6×(44+56)+560
=8.6×100+560
=1420

8.6×44+56×18.6巧算 56+44×56 巧算巧算44*48+56*48 18.6*0.75-0.75*8.6简便计算,算式 12400除以56 巧算 57乘以44加44乘以44减44巧算 18.6×0.75-0.75×8.6用简便方法计算巧算：28×93-56×46 32+56+44+24 36-44-56简算 45×56+45×27-83×15巧算【5.6-5.6*(5.6-5.60】/56巧算