Question

{(7-5)×6×(4×3-10) - [3+(4×9-7×5)+3×2]}×2-28

Answer 1

{(7-5)*6*(4*3-10)-[3+(4*9-7*5)+3*2]}*2-28= ={2*6*2-[3+(36-35)+6]}*2-28= =[12*2-(3+1+6)]*2-28= =(24-10)*2-28= =14*2-28= =28-28= =0.