The difference between 400 and the sum of 821 and 77 can be calculated by first finding the sum of 821 and 77, which is 898. Then, subtract 898 from 400 to find the difference. Mathematically, this can be represented as 400 - (821 + 77) = 400 - 898 = -498. Therefore, the difference between 400 and the sum of 821 and 77 is -498.
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Well, darling, the difference between 400 and the sum of 821 and 77 is -498. You simply subtract the sum of 821 and 77 (which is 898) from 400. Easy peasy lemon squeezy!
it seems like your equation is this...
400 - (821 + 77) = ?
your answer would be
-498
negative 498
sum is addition difference is subtraction
The sum of all prime between numbers 1 and 400 (2 through 399) is 13,887.
The difference, in a subtraction sum, is the answer to the sum. For example, the difference between 6 and 4 is equal to 2. 6 - 4 = 2.
401 + 402 = 803
1216+400=1616