Mathematics, 05.07.2020 18:01 aaanderson59
The sum of all digits in the numbers 44, 45 and 46 is 27 because (4+4)+(4+5)+(4+6)=27. Find the sum of digits in the first 25 counting numbers: 1, 2, 3, …, 25.
In other words
1+2+3+4+5+6+7+8+9+1+0+1+1+1+2+1+3 +1+4+1+5+1+6+1+7+1+8+1+9+2+0+2+1+2+ 2+2+3+2+4+2+5
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The sum of all digits in the numbers 44, 45 and 46 is 27 because (4+4)+(4+5)+(4+6)=27. Find the sum...
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