Make 100 with ONLY 9 numbers
Hint 1:
They all have something in common
Hint 2:
The first 4 are numbers digits, the rest are not.
Hint 3:
+ =(use addition)
Hint 4:
They are the 1st ___(<-- what kind?) numbers
Answer
Well, I guess we are talking about the:
prime numbers. The sum of the first 9 equals 100 (2+3+5+7+11+13+17+19+23 = 100) and also the first 4 of them are also digits.
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