574+196和25×67×125×32的简便计算方法?_数学解答

574+196和25×67×125×32的简便计算方法?

人气：496 ℃　时间：2020-02-04 06:11:40

解答

574+196
=574+200-4
=774-4
=770
25×67×125×32
=25×4×125×8×67
=100×1000×67
=6700000