Snabb matematik - dubbelt så många!

Kan du dubbla alla dessa siffror inom tidsgränsen? Testa dina mentala matematikkunskaper!
Detta frågesport ändras varje gång du spelar!
Engelsk författare: Quizmaster
Quiz by Jerry928
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Last updated: August 21, 2023
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First submittedAugust 21, 2023
Times taken7
Average score65,0%
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nummer
dubbel
714
1428
488
976
326
652
19
38
864
1728
389
778
298
596
627
1254
322
644
944
1888
647
1294
959
1918
479
958
564
1128
557
1114
689
1378
683
1366
549
1098
448
896
696
1392
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