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Sagot :

Bonjour,

Ex. 2 :

1) (1 - 2/3 - 1/6) ÷ 2 = (6/6 - 4/6 - 1/6) ÷ 2 = 1/6 ÷ 2 = 1/12

2) 3 600 × 1/6 = 300

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