解方程 24乘以5+5乘以(x-5)=(24乘以5 +5x)乘以0.9
解方程 24乘以5+5乘以(x-5)=(24乘以5 +5x)乘以0.9
解方程:30乘以5+5X+5=(30乘以5+5X)乘以0.9 怎么解
解方程2乘以0.2x-3乘以0.3x+5乘以0.4x=0.3乘以5
(5+x)乘以60乘0.8等于1.2x乘以60解这个方程
急 1/1乘以3 +1/3乘以5 + 1/5乘以7 +.+1/(2x-1)(2x+1)=10/21解方程,
(8.4乘以25乘以63%)除以(84乘以5乘以0.9)的简便运算?
解指数方程:3乘以4的x次方+2乘以9的x次方=5乘以6的x次方
x乘以5加x乘以10等于多少
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
=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!
3x-4乘以5=16解下列方程
解方程 x+7x-5x+x=(15-5)乘以4