Réponse:
A= -2,3+4,7+5,1-2,1+4,9-2,6+1,3=9
B=4×(5-12)+14=4×-7+14=-28+14=-14
c=(-48×49)÷(16-15)=-2352÷-1=2352
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Réponse:
A= -2,3+4,7+5,1-2,1+4,9-2,6+1,3=9
B=4×(5-12)+14=4×-7+14=-28+14=-14
c=(-48×49)÷(16-15)=-2352÷-1=2352