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Sagot :

On calcule:

a/b = a x 1/b

2/9|-5/3 = 2/9×-3/5 = -6/45

3/5|1/5 = 3/5×5 = 3

-1/4|3 = -1/4×1/3 = -1/12

22/7|-11 = 22/7×-1/11 = -2/7

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