5/12乘以5/18
A=B乘以57 A乘以2等于B乘以( )A乘以5等于B乘以( )A乘以()等于B乘以12 A乘以()等于B乘以29
18乘以25除以12乘以2、5 的简便运算.
12乘以10/3乘以5/4等于多少,要简算,
12分之5乘以π,再乘以3.24等于多少
1乘以2乘以3分之1加上2乘以3乘以4分之1加上3乘以4乘以5分之1加上.11乘以12乘以13分之1等于多少
8分之5乘以( )=( )乘以3分之2=0.1乘以( )=( )乘以12=1
根号32乘以根号12除以2乘以5除以10乘以12等于
18分之5乘以10分之9乘以27乘以9分之8.用简便计算
=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!
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
1乘以2乘以3乘以4乘以5乘以.100积有几个零