Question

Help me!! 

Tìm giá trị biểu thức A

A= (3^8.17+3^9.5)÷ 3^7.25 ai nhanh mình tick cho please SAVE M¡¡!!😣😣😭😭😊😊🤔

Answer 1

\(A=\left(3^8.17+3^9.5\right):3^7.25\)

\(A=\left[3^8.\left(17+5\right).3\right]:3^7.25\)

\(A=\left(3^8.22.3\right):3^7.25\)

\(A=3^9.22:3^7.25\Leftrightarrow A=\left(3^9:3^7\right).22.25\)

\(A=3^2.22.25\Leftrightarrow A=9.22.25\Leftrightarrow A=198.25\)

\(A=4950\)