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1°c=-2-4-6-1 ??? 2° on donne A=8-6-3-8+2 et B=(-2+3)-6+(-4-2) CalculerA et B _Montrer que A-B+(-4)=0

Sagot :

PRALINE17

 A=8-6-3-8+2 = -7

B=(-2+3)-6+(-4-2) = -11

 

A-B+(-4) = -7 - (-11) -4 = -7+11-4= 0