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Sagot :

Réponse:

À. 15-(-9)=24

B. 5-(3-30)=5-(-27)=32

C. 4*(2-27)+7=4*(-25)+7=-100+7=-93

D. 9*(-2-20)-3=9*(-22)-3=-198-3=-201

E. (-63/(2-21+10))-11=(-63/(-9))-11=7-11=-4

F. (48/(2-3-7))-4=-6-4=-10

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