\(5:x=x⋮125\\ \Rightarrow x\in B\left(125\right)=\left\{0;125;250;375;...\right\}\\ \Rightarrow5:x\in\left\{0;125;250;375;...\right\}\\ \Rightarrow x\in\left\{\dfrac{1}{25};\dfrac{1}{50};\dfrac{1}{75};\dfrac{1}{100};...\right\}\)
5:x=x:125
tìm x
(\(\dfrac{6}{5}\))\(^x\)=\(\dfrac{216}{125}\)
tính : 8^2 x 125 x 9^2 - 32 x 5^3 x 81 phần 20^3 x 3^4 - 6^8 x 5^4
\(\dfrac{5^{x+1}}{125}\)=\(\dfrac{1}{25^{x-2}}\)
tìm x biết
\(5^2.x.5^{x+2}:25=125^2\)
Tìm x biết, X+1/125+x+2/124+x+3/123+x+4/122+x+146/5=0
Tìm x biết x +109/3 + x+125/5 + x+149/7 + x+181/9 = 2
Tìm x biết ( x - 2/9)^3 ÷ -128/5 = -2/125 ÷ (x - 2/9)
5 mũ 6 x 20 mũ -1 x 2 mũ 2 x (-3) mũ 2 : 125
