Question

(5,3-2.8)-(4+5,3)

Answer 1

2.8 là 2,8 nha

Answer 2

\(\left(5.3-2.8\right)-\left(4+5.3\right)\)

\(=2.5-4-5.3\)

=-6.8

Answer 3

=5,3-2,8-4-5,3

=(5,3-5,3)-2,8-4

=-6,8

 

Answer 4

( 5,3 - 2,8 ) - ( 4 + 5,3 )

\(\Leftrightarrow5,3-2,8-4-5,3\)

\(\Leftrightarrow-6,8\)