Related Post: 2 1 5 X 3 4 2 1 5 X 3 4 7 1 2 5 X 3 4 9 2 1 5 X 4 3 8 2 1 5 3 5x )= 3 4 2 1 12 X 5 3 4 1 2 5 10 X 3 4 X 2 1 5 X 3 1 4 Class 8 X 2 1 5 X 3 1 4 Answer X 2 1 5 X 3 1 4 Formula