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Sagot :

MAUDMARINE

Bonjour,

1/2-1/4+1/3-1/6

= (1 x 6) / (2 x 6) - (1 x 3) /(4 x 3) + (1 x 4) / (3 x 4) - (1 x 2) / (6 x 2)

= 6/12 - 3/12 + 4/12 - 2/12

= 6/12 + 4/12 - 3/12 - 2/12

= 10/12 - 5/12

= 5/12.

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