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Decrypt multiplication and determine the value of the number ABCD

Correct answers: 33

The first user who solved this task is Sanja Šabović.

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Post Office

A blonde goes to the post office to buy stamps for her Christmas cards. She says to the clerk, "May I have 50 Christmas stamps?"
The clerk says, "What denomination?"
The woman says, "God help us. Has it come to this? Give me 6 Catholic, 12 Presbyterian, 10 Lutheran and 22 Baptists."

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Zheng Zuoxin

Died 27 Jun 1998 at age 91 (born 18 Nov 1906).Chinese ornithologist (a.k.a. Tso-Hsin Cheng) who is considered the founder of modern Chinese ornithology, who was internationally renowned for his scientific study of birds. His love of nature and the colorful forest birds began in his childhood, when he learned to identify many birds by their calls. He did graduate work in the U.S. leading to a doctorate in Jun 1930, then returned to China. He spent 60 years doing field work and research in ornithology and conservation. In 1934 he co-founded the China Zoological Society. He was the deputy-director of Beijing Museum of Natural History. His 30 books, including the first checklist of Chinese birds. In 1987, his book A Synopsis of the Avifauna of China was published in English translation.«

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