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Sagot :

VINS

bonjour

a = 3/4

b = 2/3

c = 4/5

a + b c

=  3/4 + 2/3 * 4/5

= 3/4 + 8/15

=  45/60 + 32/60

= 77/60

c - ab

4/5 - (3/4 *2/3)

= 4/5 - 6/12

=   48/60 - 30/60

= 18/60

= 3 /10

fais le dernier

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