AIDE MOI SIL VOUS PAIT

A = 7 - 3 (12-19) = 7 - 36 + 57 = 29 B = -6 + (10-2+14)/(14-23) = -6 + ( 10-28)/-9 = -6 +2 = -4 C = -(-2+1)(-2-1)-(-1-1)(-2-2) = -(4+2-2-1)-(2+2+2+2) =-4-2+2+1-2-2-2-2 = -11 D = 5 (-3-7×5)+50/(-2) = 5 (-3-35)+(-25) = -15-175-25 = -215