Effectuer les calculs suivants. Laisser les différentes étapes. A = 26-[5+ (-4) x 3] C = ( 53-62 ) x [(-5)-(-3) ] E = [4,2-2 x (-2,9) ] x [1,8 - (-2,2)] F = [-7x (-3) ]- 2x [9-3x (2x3-8)] G = 3-[5-3x (2-4)] 7-15:5 B = (-2) x 4-(-5) × (-2) D= [3x (-4)-5x2]x2-10 x 3,5