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Sagot :

9-4+6-11+3
A=3

-5(-2)+(-10)-3. Règles des signes plus est moins=-
B=-23

-10-(5-3+2)-(-13+12) donc - et - =+
C=39

68-110
D=-42

7,5-(-15
E=22,5

-46,3+2,5+0,8-6,7
F=-49,7

A=9-4+6-11+3

=5+6-11+3

=11-11+3

=0+3

=3

B=-5-(-2)+(-10)-3

=-5+2-10-3

=-3-10-3

=-13-3

=-16

C=-10-(5-3+2)-(-13+12)

=-10-(2+2)-(-1)

=-10-4+1

=-14+1

=-13

D=68-110

=-42

E=7,5-(-15)

=7,5+15

=22,5

F=-46,3+2,5+0,8-6,7

=-43,8+0,8-6,7

=-43-6,7

=-49,7

Explications :

View image MITCHALEXANDRINE2314
View image MITCHALEXANDRINE2314
View image MITCHALEXANDRINE2314
View image MITCHALEXANDRINE2314

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