2019

1) Make 2019 (1)^**/*****
Take the series 1,2,3,4,5, etc. Insert + and – signs in between the numbers to make 2019. Do not use brackets. What is the shortest series?

2) Make 2019 (2)^***/*****
Take the digits, 0-9. Keep them in exactly this ascending sequence and combine them wit +, -, *, /, ^, brackets and/or ! to make 2019.

3) Make 2019 (3)^***/*****
Take the digits, 0-9. Order them in descending sequence (9, 8, 7, down till 0) and combine them with +, -, *, /, ^, brackets and/or ! to make 2019.

4) The digits 2, 0, 1, and 9^***/*****
The year 2019 is made up of the digits 2,0,1 and 9. Combine them with all mathematical and arithmetic operators to make every number 0-20. For example: 0*1*2*9=0.

5) The digits 2, 0, 1, and 9^***/*****
The 9 is the largest digit in “2019”. It is the square of the sum of the three other digits (9 = (2+0+1)^2). What is the next year when the largeest digit is euqal to the square of the other three digits?

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