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What are all two digit co prime number?
Co-prime numbers are those that do not share a greatest common denominator larger than 1. The list of single digit co-primes is below (note that each co-prime also has a conjunctive, where the terms are reversed) (1, 1)(1, 2)(1, 3)(1, 4)(1, 5)(1, 6)(1, 7)(1, 8)(1, 9)(2, 1)(2, 3)(2, 5)(2, 7)(2, 9)(3, 1)(3, 2)(3, 4)(3, 5)(3, 7)(3, 8)(4, 1)(4, 3)(4, 5)(4, 7)(4, 9)(5, 1)(5, 2)(5, 3)(5, 4)(5, 6)(5, 7)(5, 8)(5, 9)(6, 1)(6, 5)(6, 7)(7, 1)(7, 2)(7, 3)(7, 4)(7, 5)(7, 6)(7, 8)(7, 9)(8, 1)(8, 3)(8, 5)(8, 7)(8, 9)(9, 1)(9, 2)(9, 4)(9, 5)(9, 7)(9, 8)
Pi up to 50 decimal places?
3. 1 4 1 5 9 2 6 5 3 5 8 9 7 9 3 2 3 8 4 6 2 6 4 3 3 8 3 2 7 9 5 0 2 8 8 4 1 9 7 1 6 9 3 9 9 3 7 5 1 0
What is sum of first 50 digits of pi?
3+1+4+1+5+9+2+6+5+3+5+8+9+7+9+3+2+3+8+4+6+2+6+4+3+3+8+3+2+7+9+5+0+2+8+8+4+1+9+7+1+6+9+3+9+9+3+7+5+1 = 247
What is one half plus to 5 eighths?
9/8 = 1/2 + 5/8 as multiply 1/2 by 4 to make lower number the same, i.e. 1/2 = 4/8 then 4/8 + 5/8 = 9/8 which is 1 and 1/8
How many ways to total 21 by using the digits 1 through 11?
40 possible combinations listed below 1+2+3+4+5+6 1+2+3+4+11 1+2+3+5+10 1+2+3+6+9 1+2+3+7+8 1+2+4+10 1+2+5+9 1+2+6+8 1+3+4+5+8 1+3+4+6+7 1+3+6+11 1+3+7+10 1+3+8+9 1+4+5+11 1+4+6+10 1+4+7+9 1+5+6+9 1+5+7+8 1+9+11 2+3+4+5+7 2+3+5+11 2+3+6+10 2+3+7+9 2+4+5+10 2+4+6+9 2+4+7+8 2+5+6+8 2+8+11 2+9+10 3+4+5+9 3+4+6+8 3+5+6+7 3+8+10 4+6+11 4+7+10 4+8+9 5+6+10 5+7+9 6+7+8 10+11
