Calcul mental rapide - doublez le nombre - Statistiques

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Statistiques générales

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Statistiques - réponses

Nombre	Double	% Correct
8	16	92%
5	10	90%
6	12	89%
7	14	88%
9	18	87%
11	22	85%
10	20	83%
51	102	82%
60	120	82%
12	24	82%
15	30	82%
31	62	81%
40	80	81%
70	140	80%
100	200	80%
14	28	80%
22	44	80%
30	60	80%
33	66	80%
41	82	80%
44	88	80%
50	100	79%
53	106	79%
61	122	79%
90	180	79%
13	26	79%
21	42	79%
101	202	78%
111	222	78%
16	32	78%
18	36	78%
20	40	78%
200	400	78%
24	48	78%
25	50	78%
32	64	78%
34	68	78%
42	84	78%
43	86	78%
45	90	78%
500	1000	77%
52	104	77%
62	124	77%
64	128	77%
71	142	77%
80	160	77%
110	220	77%
140	280	77%
17	34	77%
35	70	77%
400	800	77%
54	108	76%
600	1200	76%
700	1400	76%
102	204	76%
210	420	76%
23	46	76%
81	162	75%
103	206	75%
104	208	75%
150	300	75%
300	600	75%
36	72	75%
401	802	75%
49	98	75%
55	110	74%
63	126	74%
75	150	74%
900	1800	74%
106	212	74%
112	224	74%
120	240	74%
121	242	74%
19	38	74%
220	440	74%
222	444	74%
26	52	74%
28	56	74%
29	58	74%
301	602	74%
56	112	73%
72	144	73%
800	1600	73%
105	210	73%
122	244	73%
130	260	73%
201	402	73%
27	54	73%
310	620	73%
410	820	73%
420	840	73%
444	888	73%
65	130	72%
73	146	72%
82	164	72%
84	168	72%
99	198	72%
303	606	72%
37	74	72%
46	92	72%
47	94	72%
510	1020	71%
57	114	71%
58	116	71%
108	216	71%
109	218	71%
113	226	71%
114	228	71%
125	250	71%
131	262	71%
144	288	71%
151	302	71%
211	422	71%
240	480	71%
302	604	71%
38	76	71%
404	808	71%
501	1002	70%
502	1004	70%
511	1022	70%
610	1220	70%
701	1402	70%
83	166	70%
91	182	70%
92	184	70%
107	214	70%
115	230	70%
141	282	70%
215	430	70%
221	442	70%
250	500	70%
311	622	70%
39	78	70%
402	804	70%
405	810	70%
411	822	70%
440	880	70%
450	900	70%
48	96	70%
505	1010	69%
520	1040	69%
601	1202	69%
66	132	69%
710	1420	69%
74	148	69%
116	232	69%
123	246	69%
124	248	69%
212	424	69%
320	640	69%
330	660	69%
333	666	69%
550	1100	68%
59	118	68%
801	1602	68%
810	1620	68%
133	266	68%
142	284	68%
160	320	68%
202	404	68%
204	408	68%
205	410	68%
206	412	68%
230	460	68%
305	610	68%
340	680	68%
350	700	68%
430	860	68%
506	1012	67%
530	1060	67%
611	1222	67%
69	138	67%
702	1404	67%
85	170	67%
203	406	67%
213	426	67%
214	428	67%
304	608	67%
313	626	67%
331	662	67%
403	806	67%
406	812	67%
503	1006	66%
504	1008	66%
540	1080	66%
602	1204	66%
603	1206	66%
67	134	66%
77	154	66%
804	1608	66%
901	1802	66%
95	190	66%
132	264	66%
152	304	66%
180	360	66%
208	416	66%
209	418	66%
232	464	66%
260	520	66%
407	814	66%
412	824	66%
414	828	66%
507	1014	65%
512	1024	65%
630	1260	65%
720	1440	65%
76	152	65%
79	158	65%
93	186	65%
134	268	65%
207	414	65%
231	462	65%
315	630	65%
415	830	65%
509	1018	64%
522	1044	64%
606	1212	64%
620	1240	64%
640	1280	64%
68	136	64%
802	1604	64%
89	178	64%
135	270	64%
154	308	64%
241	482	64%
307	614	64%
309	618	64%
441	882	64%
508	1016	63%
515	1030	63%
604	1208	63%
703	1406	63%
811	1622	63%
903	1806	63%
905	1810	63%
143	286	63%
170	340	63%
190	380	63%
223	446	63%
224	448	63%
225	450	63%
308	616	63%
314	628	63%
321	642	63%
332	664	63%
408	816	63%
421	842	63%
422	844	63%
424	848	63%
650	1300	62%
704	1408	62%
750	1500	62%
803	1606	62%
820	1640	62%
910	1820	62%
94	188	62%
98	196	62%
126	252	62%
145	290	62%
153	306	62%
216	432	62%
233	466	62%
251	502	62%
270	540	62%
306	612	62%
312	624	62%
322	644	62%
360	720	62%
409	818	62%
514	1028	61%
605	1210	61%
705	1410	61%
78	156	61%
199	398	61%
242	484	61%
244	488	61%
280	560	61%
425	850	61%
460	920	61%
513	1026	60%
608	1216	60%
707	1414	60%
730	1460	60%
86	172	60%
87	174	60%
88	176	60%
902	1804	60%
904	1808	60%
920	1840	60%
96	192	60%
97	194	60%
117	234	60%
323	646	60%
325	650	60%
413	826	60%
442	884	60%
521	1042	59%
612	1224	59%
614	1228	59%
711	1422	59%
805	1610	59%
808	1616	59%
830	1660	59%
840	1680	59%
950	1900	59%
118	236	59%
128	256	59%
235	470	59%
252	504	59%
316	632	59%
370	740	59%
431	862	59%
451	902	59%
533	1066	58%
609	1218	58%
706	1412	58%
807	1614	58%
911	1822	58%
119	238	58%
155	310	58%
217	434	58%
255	510	58%
341	682	58%
433	866	58%
434	868	58%
524	1048	57%
525	1050	57%
531	1062	57%
544	1088	57%
607	1214	57%
615	1230	57%
740	1480	57%
218	436	57%
226	452	57%
234	468	57%
243	486	57%
299	598	57%
324	648	57%
334	668	57%
351	702	57%
416	832	57%
480	960	57%
613	1226	56%
622	1244	56%
708	1416	56%
714	1428	56%
722	1444	56%
850	1700	56%
906	1812	56%
909	1818	56%
129	258	56%
137	274	56%
161	322	56%
253	506	56%
343	686	56%
423	846	56%
432	864	56%
523	1046	55%
532	1064	55%
560	1120	55%
580	1160	55%
709	1418	55%
907	1814	55%
930	1860	55%
127	254	55%
136	272	55%
146	292	55%
149	298	55%
162	324	55%
245	490	55%
290	580	55%
318	636	55%
335	670	55%
344	688	55%
452	904	55%
551	1102	54%
570	1140	54%
660	1320	54%
712	1424	54%
806	1612	54%
940	1880	54%
156	312	54%
390	780	54%
399	798	54%
443	886	54%
470	940	54%
490	980	54%
499	998	54%
809	1618	53%
812	1624	53%
815	1630	53%
822	1644	53%
158	316	53%
219	438	53%
249	498	53%
352	704	53%
355	710	53%
516	1032	52%
517	1034	52%
535	1070	52%
541	1082	52%
542	1084	52%
545	1090	52%
555	1110	52%
621	1242	52%
821	1642	52%
908	1816	52%
138	276	52%
147	294	52%
228	456	52%
317	634	52%
342	684	52%
345	690	52%
426	852	52%
445	890	52%
552	1104	51%
623	1246	51%
625	1250	51%
631	1262	51%
633	1266	51%
641	1282	51%
644	1288	51%
715	1430	51%
721	1442	51%
725	1450	51%
760	1520	51%
814	1628	51%
990	1980	51%
139	278	51%
175	350	51%
181	362	51%
198	396	51%
254	508	51%
435	870	51%
518	1036	50%
553	1106	50%
599	1198	50%
616	1232	50%
912	1824	50%
921	1842	50%
148	296	50%
157	314	50%
171	342	50%
227	454	50%
236	472	50%
246	492	50%
248	496	50%
256	512	50%
261	522	50%
354	708	50%
380	760	50%
418	836	50%
429	858	50%
554	1108	49%
590	1180	49%
632	1264	49%
713	1426	49%
813	1626	49%
833	1666	49%
860	1720	49%
922	1844	49%
159	318	49%
163	326	49%
165	330	49%
275	550	49%
328	656	49%
353	706	49%
419	838	49%
618	1236	48%
624	1248	48%
670	1340	48%
680	1360	48%
699	1398	48%
733	1466	48%
799	1598	48%
915	1830	48%
319	638	48%
453	906	48%
454	908	48%
455	910	48%
526	1052	47%
534	1068	47%
642	1284	47%
723	1446	47%
825	1650	47%
980	1960	47%
164	328	47%
191	382	47%
195	390	47%
239	478	47%
417	834	47%
428	856	47%
519	1038	46%
527	1054	46%
543	1086	46%
617	1234	46%
731	1462	46%
751	1502	46%
770	1540	46%
880	1760	46%
182	364	46%
229	458	46%
326	652	46%
327	654	46%
329	658	46%
461	922	46%
556	1112	45%
635	1270	45%
643	1286	45%
651	1302	45%
732	1464	45%
780	1560	45%
823	1646	45%
841	1682	45%
913	1826	45%
914	1828	45%
925	1850	45%
931	1862	45%
970	1940	45%
172	344	45%
238	476	45%
247	494	45%
257	514	45%
262	524	45%
263	526	45%
336	672	45%
337	674	45%
361	722	45%
427	854	45%
446	892	45%
495	990	45%
529	1058	44%
536	1072	44%
655	1310	44%
745	1490	44%
818	1636	44%
842	1684	44%
899	1798	44%
960	1920	44%
197	394	44%
258	516	44%
298	596	44%
448	896	44%
456	912	44%
528	1056	43%
538	1076	43%
645	1290	43%
690	1380	43%
716	1432	43%
717	1434	43%
719	1438	43%
741	1482	43%
790	1580	43%
816	1632	43%
824	1648	43%
832	1664	43%
844	1688	43%
916	1832	43%
932	1864	43%
933	1866	43%
944	1888	43%
184	368	43%
192	384	43%
193	386	43%
237	474	43%
265	530	43%
271	542	43%
338	676	43%
346	692	43%
362	724	43%
375	750	43%
449	898	43%
475	950	43%
537	1074	42%
546	1092	42%
619	1238	42%
634	1268	42%
652	1304	42%
718	1436	42%
724	1448	42%
735	1470	42%
817	1634	42%
831	1662	42%
851	1702	42%
870	1740	42%
924	1848	42%
951	1902	42%
185	370	42%
259	518	42%
264	528	42%
281	562	42%
295	590	42%
349	698	42%
356	712	42%
395	790	42%
436	872	42%
539	1078	41%
547	1094	41%
557	1114	41%
575	1150	41%
628	1256	41%
744	1488	41%
752	1504	41%
819	1638	41%
855	1710	41%
918	1836	41%
173	346	41%
196	392	41%
282	564	41%
297	594	41%
347	694	41%
447	894	41%
462	924	41%
498	996	41%
548	1096	40%
549	1098	40%
626	1252	40%
726	1452	40%
743	1486	40%
834	1668	40%
919	1838	40%
941	1882	40%
955	1910	40%
174	348	40%
272	544	40%
339	678	40%
358	716	40%
365	730	40%
398	796	40%
438	876	40%
464	928	40%
561	1122	39%
571	1142	39%
653	1306	39%
661	1322	39%
734	1468	39%
742	1484	39%
753	1506	39%
755	1510	39%
852	1704	39%
890	1780	39%
166	332	39%
183	366	39%
194	388	39%
292	584	39%
348	696	39%
357	714	39%
359	718	39%
437	874	39%
457	914	39%
465	930	39%
481	962	39%
558	1116	38%
565	1130	38%
595	1190	38%
646	1292	38%
654	1308	38%
835	1670	38%
843	1686	38%
923	1846	38%
942	1884	38%
945	1890	38%
975	1950	38%
179	358	38%
273	546	38%
274	548	38%
294	588	38%
296	592	38%
363	726	38%
364	728	38%
372	744	38%
463	926	38%
482	964	38%
497	994	38%
581	1162	37%
636	1272	37%
647	1294	37%
649	1298	37%
826	1652	37%
845	1690	37%
917	1834	37%
926	1852	37%
934	1868	37%
994	1988	37%
167	334	37%
168	336	37%
176	352	37%
267	534	37%
284	568	37%
285	570	37%
291	582	37%
371	742	37%
383	766	37%
391	782	37%
439	878	37%
472	944	37%
496	992	37%
564	1128	36%
598	1196	36%
627	1254	36%
662	1324	36%
675	1350	36%
727	1454	36%
728	1456	36%
754	1508	36%
828	1656	36%
853	1706	36%
935	1870	36%
943	1886	36%
169	338	36%
187	374	36%
188	376	36%
266	532	36%
283	566	36%
293	586	36%
366	732	36%
381	762	36%
382	764	36%
397	794	36%
484	968	36%
491	982	36%
494	988	36%
562	1124	35%
656	1312	35%
657	1314	35%
729	1458	35%
736	1472	35%
756	1512	35%
827	1654	35%
829	1658	35%
836	1672	35%
854	1708	35%
954	1908	35%
991	1982	35%
993	1986	35%
177	354	35%
268	536	35%
373	746	35%
384	768	35%
396	792	35%
458	916	35%
483	966	35%
563	1126	34%
582	1164	34%
583	1166	34%
664	1328	34%
738	1476	34%
761	1522	34%
775	1550	34%
929	1858	34%
952	1904	34%
953	1906	34%
985	1970	34%
992	1984	34%
276	552	34%
277	554	34%
374	748	34%
385	770	34%
392	784	34%
394	788	34%
459	918	34%
473	946	34%
492	984	34%
559	1118	33%
572	1144	33%
574	1148	33%
584	1168	33%
585	1170	33%
591	1182	33%
597	1194	33%
629	1258	33%
639	1278	33%
648	1296	33%
658	1316	33%
665	1330	33%
671	1342	33%
691	1382	33%
698	1396	33%
737	1474	33%
746	1492	33%
757	1514	33%
837	1674	33%
393	786	33%
471	942	33%
485	970	33%
493	986	33%
592	1184	32%
596	1192	32%
638	1276	32%
695	1390	32%
749	1498	32%
765	1530	32%
771	1542	32%
798	1596	32%
846	1692	32%
856	1712	32%
861	1722	32%
875	1750	32%
928	1856	32%
936	1872	32%
961	1922	32%
178	356	32%
186	372	32%
279	558	32%
367	734	32%
369	738	32%
376	752	32%
467	934	32%
474	948	32%
573	1146	31%
637	1274	31%
739	1478	31%
747	1494	31%
748	1496	31%
758	1516	31%
762	1524	31%
763	1526	31%
772	1544	31%
781	1562	31%
793	1586	31%
795	1590	31%
797	1594	31%
847	1694	31%
848	1696	31%
849	1698	31%
864	1728	31%
882	1764	31%
937	1874	31%
949	1898	31%
269	538	31%
289	578	31%
466	932	31%
468	936	31%
477	954	31%
478	956	31%
479	958	31%
593	1186	30%
663	1326	30%
673	1346	30%
681	1362	30%
682	1364	30%
684	1368	30%
694	1388	30%
796	1592	30%
838	1676	30%
857	1714	30%
858	1716	30%
871	1742	30%
872	1744	30%
881	1762	30%
895	1790	30%
927	1854	30%
939	1878	30%
946	1892	30%
947	1894	30%
972	1944	30%
989	1978	30%
189	378	30%
278	556	30%
286	572	30%
288	576	30%
377	754	30%
476	952	30%
488	976	30%
566	1132	29%
576	1152	29%
588	1176	29%
594	1188	29%
672	1344	29%
685	1370	29%
692	1384	29%
764	1528	29%
773	1546	29%
782	1564	29%
791	1582	29%
862	1724	29%
885	1770	29%
892	1784	29%
898	1796	29%
957	1914	29%
958	1916	29%
963	1926	29%
973	1946	29%
378	756	29%
388	776	29%
567	1134	28%
568	1136	28%
579	1158	28%
587	1174	28%
659	1318	28%
666	1332	28%
693	1386	28%
697	1394	28%
759	1518	28%
784	1568	28%
794	1588	28%
866	1732	28%
891	1782	28%
897	1794	28%
938	1876	28%
948	1896	28%
956	1912	28%
962	1924	28%
965	1930	28%
971	1942	28%
983	1966	28%
988	1976	28%
287	574	28%
368	736	28%
379	758	28%
386	772	28%
469	938	28%
489	978	28%
674	1348	27%
696	1392	27%
783	1566	27%
792	1584	27%
839	1678	27%
863	1726	27%
873	1746	27%
874	1748	27%
883	1766	27%
884	1768	27%
894	1788	27%
964	1928	27%
974	1948	27%
981	1962	27%
387	774	27%
389	778	27%
577	1154	26%
578	1156	26%
586	1172	26%
589	1178	26%
683	1366	26%
768	1536	26%
787	1574	26%
788	1576	26%
859	1718	26%
865	1730	26%
876	1752	26%
896	1792	26%
982	1964	26%
986	1972	26%
987	1974	26%
486	972	26%
487	974	26%
569	1138	25%
668	1336	25%
676	1352	25%
679	1358	25%
688	1376	25%
774	1548	25%
776	1552	25%
785	1570	25%
868	1736	25%
869	1738	25%
893	1786	25%
959	1918	25%
966	1932	25%
969	1938	25%
984	1968	25%
667	1334	24%
686	1372	24%
689	1378	24%
766	1532	24%
777	1554	24%
779	1558	24%
786	1572	24%
877	1754	24%
886	1772	24%
976	1952	24%
669	1338	23%
678	1356	23%
767	1534	23%
867	1734	23%
887	1774	23%
888	1776	23%
889	1778	23%
967	1934	23%
968	1936	23%
977	1954	23%
978	1956	23%
677	1354	22%
687	1374	22%
778	1556	22%
789	1578	22%
769	1538	21%
878	1756	21%
879	1758	20%
979	1958	20%