Question

When natural numbers are added their sum is ___?

Answer 1

Answer:

always a natural number

Answer 2

Let the 3 consecutive numbers be a−d,a,a+d

Let the 3 consecutive numbers be a−d,a,a+dA/Q ⇒3(a−d)=a+a+ad

Let the 3 consecutive numbers be a−d,a,a+dA/Q ⇒3(a−d)=a+a+ad3a−3d=2a+d⇒a=4d

Let the 3 consecutive numbers be a−d,a,a+dA/Q ⇒3(a−d)=a+a+ad3a−3d=2a+d⇒a=4d∴ SUm of numbers is a−d+a+a+d

Let the 3 consecutive numbers be a−d,a,a+dA/Q ⇒3(a−d)=a+a+ad3a−3d=2a+d⇒a=4d∴ SUm of numbers is a−d+a+a+d=3a=3×4d=12d

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