25x＝25x乘以10乘以0.9+5x 怎么解

25x＝25x乘以10乘以0.9+5x 怎么解 25x=25x乘以10乘以0.9+5x 怎么解 x乘以5乘以x等于多少 x乘以5加x乘以10等于多少 25乘以(20-x)=30乘以15 1.若2x+5y=4 求4^x乘以32^y2.已知5乘以25^x乘以125^x=5^21 求x^3 分式乘法!(5x+2)/(25-10x+x^2)乘以(x^2-25)/(25x^2-4)(2x-6)/（4-4x+x^2）乘以{(x-2)(x+3)}/(3-x) 5x乘以x+3X等于零 (1200乘以3分之1)乘以(x减百分之25x)减99x等于0.1 0.5x+0.75乘以20等于25 5乘以5x等于 小升初计算题计算：2.37除以4减1.37乘以25%=4%乘以25%+2/3乘以30%=解方程：x减15%x=2.043/5乘以4/3减10%x=05x%＋6x%=2.2（x+75%）乘以30=36 5X乘以3X等于多少 5x乘以X等于多少 解方程2乘以0.2x-3乘以0.3x+5乘以0.4x=0.3乘以5 解方程：30乘以5+5X+5=（30乘以5+5X）乘以0.9 怎么解 2x乘以x乘以x=24,求x! 化简0.5x乘以x乘以y乘以x-y乘以x乘以x^2+0.5x乘以x乘以y