Question

Giúp mik vs!!

Answer 1

( 8,3 + 2,7) + 5,65

= 11 + 5,65

= 16,65

Answer 2

8,3 +5,65+2,7

=(8,3 + 3,7 ) + 5,65

=    11 + 5,65

=  16,65