Sagot :

Vins

bonsoir

( 16/15 - 2/5 ) + ( 7/3 + 3 /10 )

=  ( 16/15 - 6/15 ) + ( 70/30 + 9/30 )

=  10 /15 + 79/30

= 20/30 + 79/30

= 99/30

=  33/10