Calculate A-B+C*D
Look at the series (1, 5, A, 58, 179, 543, 1636, 4916, 14757, C, B, D, ...), determine the pattern, and find the unknown values (A, B, C and D) and calculate A-B+C*D!Correct answers: 31
The first user who solved this task is Nasrin 24 T.
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Say What
When my 14-year-old son, Patrick, stepped up to the plate during a Colt League baseball game, the young announcer declared, "Now batting, the right fielder, number 12, Pathogen!"
After some confusion in the stands, the announcer came back on over the loudspeaker. "Sorry folks, that's PAT Hogan!"