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

18
Q

22²

19
Q

23²

20
Q

24²

21
Q

25²

22
Q

1^3

23
Q

2*3

24
Q

3*3

25
4*3
64
26
5*3
125
27
6*3
216
28
7*3
343
29
8*3
512
30
9*3
729
31
10*3
1000
32
11*3
1331
33
12*3
1728
34
(x+y)²
x²+y²+2xy
35
(x-y)²
x²+y²-2xy
36
(x-y)(x+y)
x²-y²
37
divisible par 3
somme des chiffres divisible par 3. | Ex: 768: 7+6+8=21, donc divisible par 3
38
divisible par 4
seulement si il se termine par un chiffre divisible par 4 | Ex: 1 452 736, 36 (9*4) donc divisible par 4
39
divisible par 6
seulement si divisible par 2 ET par 3
40
divisible par 9
Seulement si la somme de ses chiffres est divisible par 9 | Ex: 927, 9+2+7=18, donc divisible par 9
41
divisible par 11
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