Bonjour aidez moi svp
2. Effectuer les calculs suivants :
I = (+ 10) – (+ 4) ; J = (- 9) – (- 7) ; K = (+ 22) – (- 8) ; L = (- 17) – (+ 18) ;
3. Calculer astucieusement :
P = (- 11) + (+ 5) + (- 8) + (+ 7) + (+ 11) + (- 12) ;
Q = (- 5) + (- 15) + (+ 20) + (- 8) + (+ 4) + (+ 3).
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