用简变算托式125*37+125*62+125 99*99+99 = = = = = =
问题描述：
用简变算托式125*37+125*62+125 99*99+99 = = = = = =
答
125×37+125×62+125
=125×（37+62+1）
=125×100
=12500
99×99+99
=99×（99+1）
=99×100
=9900