I fought against this problem during months... :)
Dear James, I got a few questions: how old are your lovely daughter? and how insanely creepy is this teacher to put number like "225802467" in her homework? That just kill us too.
Find the numeric mean of the prime numbers in a matrix.
Word Counting and Indexing
Mysterious digits operation (easy)
Golomb's self-describing sequence (based on Euler 341)
Three...is a magic number.
Two fractions, one sum
High Precision Square Root (Inspired by Project Euler 80)
Points on a circle.
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