ANIS3447 ANIS3447 04-10-2020 Mathématiques Answered 17 On sait que 2 X3 X5 x 7 = 210. Sans faire de calculs supplémentaires, recopier et compléter. a. (-2) x (-3) (-5) (-7) = ... b. (+2) x (+3) x (-5) x (+7) = ... c. (+2) x (-3) x (-5) x (-7) = ... d. (-0,2) x (+3) × (-0,5) x (-0,7) = Merci