Calcul Mental Flashcards

(49 cards)

1
Q

11²

A

121

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2
Q

12²

A

144

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3
Q

13²

A

169

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4
Q

14²

A

196

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5
Q

15²

A

225

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6
Q

16²

A

256

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7
Q

17²

A

289

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8
Q

18²

A

324

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9
Q

19²

A

361

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10
Q

20²

A

400

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11
Q

A

8

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12
Q

A

27

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13
Q

A

64

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14
Q

A

125

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15
Q

A

216

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16
Q

A

343

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17
Q

A

512

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18
Q

A

729

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19
Q

10³

A

1000

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20
Q

A la fois cube et carre

21
Q

Somme des k pour k=0

22
Q

Somme des k² pour k=0

A

n(n+1)(2n+1)/6

23
Q

Somme des k³ pour k=0

25
1!
1
26
2!
2
27
3!
6
28
4!
24
29
5!
120
30
6!
720
31
7!
5040
32
8!
40320
33
9!
362 880
34
10!
3 628 800
35
(n p) n>= p | n<=
n!/p!(n-p)! | 0
36
(n 0)
(n n)=1
37
(n 1)
(n n-1)=n
38
(n 2)
(n n-2)=n(n-1)/2
39
Le binôme de Newton
Somme des (n k)a^kb^(n-k)=(a+b)^n
40
11³
1331
41
12³
1728
42
13³
2197
43
14³
2744
44
15³
3375
45
16³
4096
46
17³
4913
47
18³
5832
48
19³
6859
49
20³
8000