KOLKGEUBH KOLKGEUBH Mathématiques Answered Calculer :a.(+7) + (-12)c. (-7) + (-12)b.(-7) + (+12)d.(+7) + (+12)f. (-12) + (+7) =h.(+12) + (+7) =e. (+12) + (-7)g.(-12) + (-7) -svp