Directions: Using the digits 0 to 9 at most one time each, place a digit in each box to find an odd modulus, an even modulus, and the smallest possible modulus.

### Hint

Consider Pythagorean Triples.

### Answer

|(3+8i) + (6+4i)| = 15

|(7+8i) + (9+4i)| = 20

|(1+2i) + (5+6i)| = 10

|(7+8i) + (9+4i)| = 20

|(1+2i) + (5+6i)| = 10

Source: Mark Ward

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|(5 + 4i) + (0 + 8i)| = 13.

Consider removing the third solution as the number 1 is used twice.