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bubonic
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→ quarantine
1717#20583
SIBLINGS
CHILDREN
20583
Songs in Easy English
○○○
Christoph Grienberger
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1717#15831
SIBLINGS
CHILDREN
15831
○○○
Francois Viete
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1717#14382
SIBLINGS
CHILDREN
14382
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Ludolph van Ceulen
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→ quintillion, quadrillion, trillion
1717#14755
SIBLINGS
CHILDREN
14755
•
π
#math
1717#13421
SIBLINGS
CHILDREN
13421
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