用简变算托式125*37+125*62+125 99*99+99 = = = = = =_数学解答

用简变算托式125*37+125*62+125 99*99+99 = = = = = =

人气：212 ℃　时间：2020-05-19 18:58:20

解答

125×37+125×62+125
=125×（37+62+1）
=125×100
=12500
99×99+99
=99×（99+1）
=99×100
=9900