2 + 3 + 5 + 6 + 7 + 8 □ 4 + 9
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when you square the above 2 sides you will get : ( 2 + 3 + 5 + 6 + 7 + 8 ) 2 = ( 2 + 3 + 5 ) 2 + ( 6 + 7 + 8 ) 2 + ( 2 × ( 2 + 3 + 5 ) × ( 6 + 7 + 8 ) ) = 1 7 7 . 0 4 which is greater than ( 4 + 9 ) 2 = 1 6 9 so ≥
I will say until the first digit of those irrational numbers. 2 = 1 . 4 , 3 = 1 . 7 , 5 = 2 . 2 , 6 = 2 . 4 , 7 = 2 . 6 , 8 = 2 . 8 . I know those numbers are not equal, but it is natural to calculate easier to use approximate numbers. Then add the numbers. We get 1 3 . 1 1 3 . Then the answer is > .
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2 > 1 . 4 ( 2 > 1 . 4 2 = 1 . 9 6 ) 3 > 1 . 7 ( 3 > 1 . 7 2 = 2 . 8 9 ) 5 > 2 . 2 ( 5 > 2 . 2 2 = 4 . 8 4 ) 6 > 2 . 4 ( 6 > 2 . 4 2 = 5 . 7 6 ) 7 > 2 . 6 ( 7 > 2 . 6 2 = 6 . 7 6 ) 8 > 2 . 9 ( 8 > 2 . 8 2 = 7 . 8 4 ) ⟹ 2 + 3 + 5 + 6 + 7 + 8 > 1 . 4 + 1 . 7 + 2 . 2 + 2 . 4 + 2 . 6 + 2 . 8 = 1 3 . 1 > 4 + 9 So the answer is >