1st Common Difference Nº sticks figure x y x=1 0 rule: y = 1 x=2 2 3 x + 4 x=3 5 20 1st Common Difference Nº sticks figure x y x=1 0 rule: y = 1 x=2 2 3 x + 4 x=3 5 20 1st Common Difference Nº sticks figure x y 0 x=1 rule: y = 1 2 x=2 x + 3 4 x=3 5 20 1st Common Difference Nº sticks figure x y x=1 0 rule: y = 1 x=2 2 3 x + 4 x=3 5 20 1st Common Difference Nº sticks figure x y x=1 0 rule: y = 1 2 x=2 3 x + 4 5 x=3 20 |