Can you replace the question mark with a number?
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 141
The first user who solved this task is Nasrin 24 T.
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Robert Porter AllenDied 28 Jun 1963 at age 58 (born 24 Apr 1905).American author and conservationist recognized for saving the whooping crane from extinction by discovering (1955) the nesting ground of the sole remaining flock near the Arctic Circle. He was a leader in having whooping crane habitats in Texas and Canada proclaimed as refuges. He helped establish a working protective plan for flamingos and recommended methods of saving the small surviving colonies of roseate spoonbills, thus helping to perpetuate the species. His monographs on the whooping crane, the roseate spoonbill, and the American flamingo are the standard authoritative works on these species.[Listen to the whooping crane call] |