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Milan Borkovic

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88
points
96
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86. Vladimir Srbinoski 99
87. Peter Hine 98
88. Milan Borkovic 96
89. Maja Pa┼żun 94
90. Emilie Lavigne 88
last 3 solved tasks
Find the next number in the sequence 8573, 3835, 5324, ...
What number belongs in the missing circle?
Which number comes next in the following sequence 9487, 7228, 1416, ?

James Mason Crafts

Died 20 Jun 1917 at age 78 (born 8 Mar 1839).American chemist who with French chemist Charles Friedel, discovered an important organic carbon-chain addition to carbon-ring chemical synthesis techique, the Friedel-Crafts reaction (1877). This was a method of synthesizing hydrocarbons or ketones from aromatic hydrocarbons using aluminum chloride as a catalyst. Friedel and Crafts also did much work on the synthesis of organosilicon compounds.

Best things in life are free

The best things in life are free! .Hugs .Smiles .Friends .Family .Love .Kisses .
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