The first number was increased by four. The second number was decreased by four. The third number was multiplied by four. The fourth number was divided by four.

I have to add two number and get three for the sum. I am to lazy to do it myself so I need this now and quick

if have well-known (jednacinu) equation ((n 1) * n) / 2 = 1 2.. n. Now if the difference between the closest numbers smaller, to get ((n 0,1) * n) / (2 * 0,1) = 0,1 0,2.. n. If the difference between the closest numbers the smallest possible, will obtain ((n 0,0.. 1) * n) / (2 * 0,0.....

My Son 7yrs has always been into numbers will point them out if out and about. Resently I've noticed he would count the chips on his plate too car parking spaces.. The school and profs think there isn't anything wrong. I don't want to seem like a moaning mother but its really frustrating.

Hi there, I'm having trouble with this questions... Could you please give do a step by step solution to this question: The sum of the first "n" natural numbers is 1/2n(n+1) How many do you have to add to exceed 1000? Thanks