EVERY three consecutive numbers add to a multiple of 3:Proof: numbers are n, n + 1 and n + 2. The total is 3n + 3 or 3(n + 1)This means that for any three consecutive numbers, the total is 3 times...
Let starting point is 9x, so next three consecutive multiple of 9 are 9x+9, 9x+18 and 9x+27 This question can't be answered without a given starting point, which has not been specified in the...