- Calcule sans poser les opérations. a. 7 X (-6) = h. 17 + (-9) = b. -15 + (-8) = 1. (-5) X (-2) = C.-72 + 8 = ..... -36 = (-6) = c. 5-9 = k. 8 X (-7) = = 1.-2,5-(-2,6) = e. 5 (-7) = f. 18 + (-27) = ... 24 8 m. (-4) + 13 = 3,6 10 9 .





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