aaron26793917373839 aaron26793917373839 14-10-2022 Mathematics Answered R=(2-3)+(5-1)×10]. 8 Exercice 8: Calculer : a. 5x (-2)² -3 (-5)² -4 x 52-2 (-3)² (-4x 5²-2) (-3)² x b. 4x32 d. f. 9x (-3) + (-6)² 2 x (5²-5×7) 9x ((-2)²-5 x 3)² h.