Calcul Mental Flashcards

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

A

0,1,64,729

21
Q

Somme des k pour k=0

A

n(n+1)/2

22
Q

Somme des k² pour k=0

A

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

23
Q

Somme des k³ pour k=0

A

(n(n+1)/2)²

24
Q

0!

A

1

25
Q

1!

A

1

26
Q

2!

A

2

27
Q

3!

A

6

28
Q

4!

A

24

29
Q

5!

A

120

30
Q

6!

A

720

31
Q

7!

A

5040

32
Q

8!

A

40320

33
Q

9!

A

362 880

34
Q

10!

A

3 628 800

35
Q

(n p) n>= p

n<=

A

n!/p!(n-p)!

0

36
Q

(n 0)

A

(n n)=1

37
Q

(n 1)

A

(n n-1)=n

38
Q

(n 2)

A

(n n-2)=n(n-1)/2

39
Q

Le binôme de Newton

A

Somme des (n k)a^kb^(n-k)=(a+b)^n

40
Q

11³

A

1331

41
Q

12³

A

1728

42
Q

13³

A

2197

43
Q

14³

A

2744

44
Q

15³

A

3375

45
Q

16³

A

4096

46
Q

17³

A

4913

47
Q

18³

A

5832

48
Q

19³

A

6859

49
Q

20³

A

8000