Đề:25.(32-47)-32.(25-47)
=25.(-15)-32.(-22)
=-375-(-704)
=329
Dấu . là nhân nha
\(25\cdot\left(32-47\right)-32\cdot\left(25-47\right)=25\cdot32-25\cdot47-32\cdot25+32\cdot47=\left(25\cdot32-32\cdot25\right)+\left(32\cdot47-25\cdot47\right)=0+47\cdot\left(32-25\right)\)
\(=47\cdot7=409\)