求4.8乘以0.25.0.78乘以98.0.5乘以2.33乘以8.1.5乘以105.0
求4.8乘以0.25.0.78乘以98.0.5乘以2.33乘以8.1.5乘以105.0
=3乘以2乘以1,=4乘以3乘以2乘以1,=5乘以4乘以3乘以2乘以1,那么100!除以99!
1乘以2乘以3乘以4乘以5乘以.100积有几个零
125乘以5乘以128乘以25怎么简便运算
简便运算48乘以5乘以125
一乘以二乘以三分之一加2乘以3乘以4分之一+3乘以4乘以5分之1+……+48乘以49乘以50分之1.
(8.4乘以25乘以63%)除以(84乘以5乘以0.9)的简便运算?
2乘以1+4乘以3+6乘以5直接加到50乘以49
25乘以?乘以?等于(?乘以12)乘以(?乘以?
5乘以5等于0乘以1乘以100+25;15乘以15等于1乘以2乘以100+25;25乘以25
1乘以2+2乘以3+3乘以4+4乘以5……+97乘以98+98乘以99+99乘以100等于多少
1乘以3分之2乘以4分之3乘以5分之4乘以.乘以20分之19等于多少?