Bonjour;

a)

(30*400)/100

= 12 000/100

= 120

b)

(75*10)/100

750/100

= 7,5

c)

(45*86)/100

= 3 870/100

= 38,7

d)

(19*19)/100

= 361/100

=3,6

e)

(4,8*7 500)/100

= 4,8*75

= 360

f)

( 0,01*10 000)/100

= 0,01* 100

= 1