Réponses

2013-05-26T17:45:31+02:00

J = √12+√27 = √3x4 + √3x9 = 2√3x2 + 3√3x3 = 2√6 + 3√9

K = √2 - √8 = √2 - √2x4 = 1√2- 2√2 = -√2

L = √16 - √25 = 4 - 5 = 9

M = 3√2 - 5√8 + 3√18 = 3√2 - 5√2x4 + 3√2x9 = 3√2 - 10√2 + 6√2 = -√2

N = 5√12 - 3√3 = 5√3x4 - 3√3 = 10√3 - 3√3 = 7√3