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Matemàtiques ràpides: el doble d'aquest número!

Pots duplicar tots aquests nombres dins del límit de temps? Posa a prova les teves habilitats matemàtiques mentals!
Aquest qüestionari canvia cada cop que jugues!
Autor anglès: Quizmaster
This quiz is in Catalan
Quiz by Jerry928
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Last updated: August 31, 2023
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First submittedAugust 31, 2023
Times taken1
Average score90.0%
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nombre
doble
314
628
867
1734
477
954
581
1162
639
1278
nombre
doble
18
36
446
892
145
290
274
548
118
236
nombre
doble
821
1642
478
956
412
824
124
248
889
1778
nombre
doble
932
1864
904
1808
814
1628
332
664
500
1000
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