1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19=190
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The sum of the numbers from 1 through 100 is 5,050.
The sum of the numbers 1 through 27 is 378.
The sum of all the numbers 1 through 200 is 20,100.
The sum of the whole numbers 1 through 1,000 is 500,500.
The sum of all odd numbers 1 through 99 is 9,801.