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Sagot :

ORBVL

ex 16 :
a-
x2 = 81
x = 9

b-
x2 = 9
x = 3

c-
x2 = 6,4
x = 2,529

d-
x2 = 4,9
x = 2,213

ex 17 :
a-
x2 = 13
x = 3,605

b-
x2 = 45
x = 6,71

c-
x2 = 65,8
x = 8,10

d-
x2 = 6,9
x = 2,63

ex 18 :
a-
AB2 = 5
AB = 2,1

b-
AB2 = 14,53
AB = 3,7

c-
AB2 = 85,91
AB = 7,7

d-
AB2 = 56,46
AB = 7,4

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