153
The sum of all odd numbers from 1 to 64 inclusive is 4,096
There are 16 square numbers between 1 and 300: 2 to 17 inclusive. There is no square root of these numbers: only of their sum or product or average or some other operation.
Sum = ½ × number of numbers × (first number + last number) = ½ × (462 - 408 + 1) × (408 + 462) = ½ × 55 × 870 = 23,925
Well, honey, the sum of counting numbers from 1 to 20 is 210. You add up 1 + 2 + 3... all the way to 20 and you get your answer. So, go ahead and impress your friends with your newfound math knowledge.
8 and 9
The sum of the whole numbers from 1 to 100 inclusive is 5,050.
The sum of all odd numbers from 1 to 64 inclusive is 4,096
501
There are 16 square numbers between 1 and 300: 2 to 17 inclusive. There is no square root of these numbers: only of their sum or product or average or some other operation.
9 and 8 because if you add them you get 17 and if you subtract them you get 1
The numbers are 18 and -17 because 18-(-17) = 35 and 18+(-17) = 1
Sum = ½ × number of numbers × (first number + last number) = ½ × (462 - 408 + 1) × (408 + 462) = ½ × 55 × 870 = 23,925
Well, honey, the sum of counting numbers from 1 to 20 is 210. You add up 1 + 2 + 3... all the way to 20 and you get your answer. So, go ahead and impress your friends with your newfound math knowledge.
The two numbers are 9 and 8
8 and 9
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Answered this yesterday... Top: 3-17-7, middle 13-9-5, bottom 11-1-15