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Sagot :

Bonjour,

a= 9

b=  1

c= -22

d= 0

e= -32

f= -20

g= -18

h =  -25

A=(+2)+(+7)

=+9

B=(-4)+(+5)

=1

C=(-8)+(-14)

=-8-14

=-22

D=(+9)+(-9)

=0

E=(-20)+(-12)

=-20-12

=-32

F=(+40)+(-60)

=40-60

=-20

G=(-36)+(+18)

=-18

H=(-25)+(+0)

=-25

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