ta có :
\(13,45\times65,5+14,45:0,25+14,45:0,125+13,45\times22,5\)
\(=13,45\times65,5+13,45\times22,5+14,45\times4+14,45\times8\)
\(=13,45\times\left(65,5+22,5\right)+14,45\times\left(4+8\right)=13,45\times88+14,45\times12\)
\(=13,45\times88+13,45\times12+1\times12=1345+12=1357\)