Бърза математика - удвоете това число!

Можете ли да удвоите всички тези числа в рамките на срока? Тествайте умствените си математически умения!
Този тест се променя всеки път, когато играете!
Английски автор: Quizmaster
Quiz by
Jerry928
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Last updated: August 19, 2023
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First submittedAugust 19, 2023
Times taken105
Average score50,0%
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номер
двойно
381
762
12
24
803
1606
961
1922
290
580
780
1560
457
914
654
1308
977
1954
369
738
917
1834
532
1064
724
1448
880
1760
756
1512
991
1982
378
756
479
958
897
1794
91
182
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