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1 + 61 = 62
61
47 plus 61 is equal to 108.
-61
If the question means solve 1+2+...+60 then 1+2+...+n = n(n+1)/2 for any integer n>0 So for n= 60 the sum is 60*61/2 = 30*61 = 1830
I will use the quadratic equation here. Try discriminant. b^2 -4ac 1^2 - 4(-3)(5) = 61 is > 1, so two real roots X = -1 +/- sqrt[1^2 - 4(-3)(5)]/2(1) -1 +/- sqrt(61)/2
the answer is 61.
34 + 61 - 64 + 18 = 13
7 i think with math skills you infer its 7
330
61 is a prime number, meaning that its only factors are 1 and itself. So 1 and 61.
The answer is 76.