Brza matematika - udvostručite taj broj!

Možete li udvostručiti sve ove brojeve unutar vremenskog ograničenja? Testirajte svoje mentalne matematičke vještine!
Ovaj se kviz mijenja svaki put kad igrate!
Engleski autor: Quizmaster
Quiz by Jerry928
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Last updated: August 21, 2023
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First submittedAugust 21, 2023
Times taken131
Average score40.0%
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broj
dvostruko
526
1052
635
1270
694
1388
752
1504
788
1576
304
608
112
224
457
914
958
1916
637
1274
869
1738
473
946
663
1326
642
1284
328
656
988
1976
501
1002
419
838
308
616
872
1744
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