5²⁵.5:5²⁵-|125|

=(5²⁵:5²⁵).5-|125|

= 1.5 - 125

=5-125

=-120

5²⁵ , 5 : 5²⁵ - |125|

= 5 - 125

= -120

=))

cảm ơn nhé

5^50.5+125=5^50.5+5^3=5^50.5+5^2.5=5.[5^50+5^2]                       

Rồi tự làm tiếp nha bạn

Bổ sung bài : Tính

\(5^{25}.5.5^{25}+\left|-125\right|\)

\(=5^{51}+125\)

Kết quả chỉ dừng ở đó vì không thể tính ra con số cụ thể được nữa.

    5^25..5:5^25+/-125/

= 5^25.5:5^25+125

= ( 5^25:5^25 ).5+125

=         1          .5+125

=               5        +125

=                    130

\(20\%\times25,5+\dfrac{1}{5}\times15,5+0,2\times59\)

\(=\dfrac{1}{5}\times25,5+\dfrac{1}{5}\times15,5+\dfrac{1}{5}\times59\)

\(=\dfrac{1}{5}\times\left(25,5+15,5+59\right)\)

\(=\dfrac{1}{5}\times100\)

\(=20\)

a) \(x-1\frac{4}{5}=\frac{10}{5}\)

\(\Rightarrow x=2+1\frac{4}{5}=3\frac{4}{5}=\frac{19}{5}\)

b) \(5,85:x=26-25,5\)

\(\Leftrightarrow5,85:x=0,5\)

\(\Rightarrow x=5,85:0,5=11,7\)

c) \(151-\left(-2\right).\left(x-6\right)=2227:17=131\)

\(\Rightarrow\left(-2\right).\left(x-6\right)=151-131=20\)

\(\Rightarrow\left(x-6\right)=20:\left(-2\right)=-10\)

\(\Rightarrow x=-4\)

d) \(\frac{2}{3}-\frac{1}{3}x=\frac{1}{4}\)

\(\Rightarrow \frac{1}{3}x=\frac{2}{3}-\frac{1}{4}=\frac{5}{12}\)

\(\Rightarrow x=\frac{5}{12}:\frac{1}{3}=\frac{5}{4}\)

dấu chấm (.) là dấu nhân nhé

Ban co chac ket qua dung ko

a, \(\frac{25.5^3.1}{25.5^2}=\frac{5^2.5^3.1}{5^2.5^2}=\frac{5^5}{5^4}=5\)

b, \(5^2.3^5.\left(\frac{3}{5}\right)^2=5^2.3^5.\frac{9}{25}=5^2.\frac{9}{25}.3^5=9.3^5=3^2.3^5=3^7\)

c, \(\left(\frac{1}{7}\right)^2\cdot\frac{1}{7}\cdot\frac{49}{2}=\frac{1}{49}\cdot\frac{1}{7}\cdot\frac{49}{2}=\frac{1}{49}\cdot\frac{49}{2}\cdot\frac{1}{7}=\frac{1}{2}\cdot\frac{1}{7}=\frac{1}{14}\)

(5 mũ 2)mũ 3 : 5 mũ 2

5 mũ 2 x3 :5 mũ 2

5 mũ 6 : 5 mũ 2 =5 mũ 4=625

ok nha bạn

\(\Leftrightarrow5^x\left(5^{-2}.5^2\right)=5^4.5^5\)

\(\Leftrightarrow5^x.1=5^9\Rightarrow5^x=5^9=1953125\)