Calcul Flashcards

1
Q

A

25

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2
Q

A

36

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3
Q

A

49

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4
Q

A

64

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5
Q

A

81

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6
Q

10²

A

100

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7
Q

11²

A

121

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8
Q

12²

A

144

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9
Q

13²

A

169

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10
Q

14²

A

196

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11
Q

15²

A

225

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12
Q

16²

A

256

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13
Q

17²

A

289

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14
Q

18²

A

324

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15
Q

19²

A

361

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16
Q

20²

A

400

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17
Q

21²

A

441

18
Q

22²

A

484

19
Q

23²

A

529

20
Q

24²

A

576

21
Q

25²

A

625

22
Q

1^3

A

1

23
Q

2*3

A

8

24
Q

3*3

A

27

25
Q

4*3

A

64

26
Q

5*3

A

125

27
Q

6*3

A

216

28
Q

7*3

A

343

29
Q

8*3

A

512

30
Q

9*3

A

729

31
Q

10*3

A

1000

32
Q

11*3

A

1331

33
Q

12*3

A

1728

34
Q

(x+y)²

A

x²+y²+2xy

35
Q

(x-y)²

A

x²+y²-2xy

36
Q

(x-y)(x+y)

A

x²-y²

37
Q

divisible par 3

A

somme des chiffres divisible par 3.

Ex: 768: 7+6+8=21, donc divisible par 3

38
Q

divisible par 4

A

seulement si il se termine par un chiffre divisible par 4

Ex: 1 452 736, 36 (9*4) donc divisible par 4

39
Q

divisible par 6

A

seulement si divisible par 2 ET par 3

40
Q

divisible par 9

A

Seulement si la somme de ses chiffres est divisible par 9

Ex: 927, 9+2+7=18, donc divisible par 9

41
Q

divisible par 11

A

Seulement si la différence entre la somme de ses chiffres de rang impair et celle de de ses chiffres de rang pair est un multiple de 11
Ex: 72 556, 7+5+6=18, 2+5=7 et 18-7=11 donc divisible par 11