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손진환

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100. Nemanja Katanic 84
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103. Joan Brioso 71
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last 3 solved tasks
MATH PUZZLE: Can you replace the question mark with a number?
Find the next number in this series: 5, 7, 12, 19, 31, 50, ?
Cubes of the same size are stacked in the corner of a room as shown. How many cubes are there?

Charles Mauguin

Born 19 Sep 1878; died 25 Apr 1958 at age 79.Charles-Victor Mauguin was a French mineralogist and crystallographer who was one of the first to make a systematic study of the silicate minerals. Using X-ray diffraction techniques, he determined the structure of a large number of micas. He also published the atomic structure of cinnabar, calomel and graphite and devised a system of symbols for designation of symmetry properties of crystals, adopted (1935) as international standard.«

Adam and Eve

Sometimes women are overly suspicious of their husbands.... When Adam stayed out very late for a few nights, Eve became upset.

"You're running around with other women," she told her mate.

"Eve, honey, you're being unreasonable," Adam responded. "You know you're the only woman on earth."

The quarrel continued until Adam fell asleep, only to be awakened by a strange pain in the chest. It was his darling Eve poking him rather vigorously about the torso.

"What do you think you're doing?" Adam demanded.

"Counting your ribs," said Eve.

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