35X98X23的简便计算?

如题所述

第1个回答  2020-04-19
=35X(100-2)x23
=(35x100-35x2)x23
=(3500-70)x23
=3430ⅹ(20+3)
=3430x20+3430ⅹ3
=68600+10290
=78890
第2个回答  2020-04-19
35X98X23
=35*23*(100-2)
=805*(100-2)
=805*100-805*2
=80500-1610
=78890本回答被网友采纳