1,45x(15+6-1)=1,45x20=29
1,47.15+6.14,7-14,7
=1,47.10.1,5+6.14,7-14,7
=14,7.1,5+6.14,7-14,7
=14,7.(1,5+6-1)
=14,7.6,5
=95,55
Bạn nên kiểm tra lại nhé
#Trl :
\(1,47\times15+6\times14,7-14,7\)
\(=1,47\times15+6\times10\times14,7-1,47\times10\)
\(=1,47\times\left(15+60-10\right)\)
\(=1,47\times65\)
\(=95,55\)