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iv), 853 (odd v), vi), 978 evern, 252eveD, +3 25 Codot), 78 even, +876 (ewen, 1854 ewen, +553odd, 805 Cald), Thus, we observe that addition of odd and even numbers involve a, pattern., Lets tabulate the patterns observed., Even, Odd number+3=, Odd number, Odd number, %3D, ii) Even Mumber, Even Aumbel, Even number )2+4-6, %3D, Odd number, Even humber, odd number, Odd number )+2-3, iv), Even number, Odd number 2+3=D6, Subtract the following numbers:, i), ii), 895odd), ii), 497 odd), 756 even, -253 odd), 642 even, -252 ven, -432(even), 065 (odd), 504 (even, iv), v), 576 ven, vi), 235 ocdd, 782(even, -223 add, 353 odd), +521 odd), 756 (even, +141 odd), 923 odd, Let's tabulate the patterns observed., Even., Odd number 5-3=2, i), Odd number, Odd number, ii) (Even Number, Even number, Even number 6-4=2, ii), Odd number, (Even umbe, Odd number )5-2-3, iv), Even number, odd numbe, Odd number )4-1-3, 21, %3D, I -, II