LPT: Adding sequential Numbers
LPT: Adding sequential Numbers If you need to add together an odd number of integers, their sum is the middle integer times the number of integers. Example: 4+5+6+7+8 = 30 (6×5) or 14+15+16+17+18+19+20=119 (17×7) If you need to add an even number of integers, add the two middle numbers, and multiply by half the number of integers. Ex: 5+6+7+8=26 ((6+7)x2) or 6+7+8+9+10+11=51(…