Calculation of (6 + 9 + 27 + 54 + 99) / 3 by simple method

Calculation of (6 + 9 + 27 + 54 + 99) / 3 by simple method


(6+9+27+54+99)/3
=6/3+9/3+27/3+54/3+99/3
=2+3+9+18+33
=2+18+3+9+33
=20+12+33
=65



48 * 52 * 2-4 * 48 simple method


48*52*2-4*48
=48*(104-4)
=48*100
=4800