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Sagot :

Bonsoir à toi
1) = 1/2 + -4/-3 X 2/4 = 1/2 + - 2/3 = - 1/6
2)-2/5 + 3/10 - 3/4 % 5 = -2/5 + 3/10 + -3/20 = 11/20
3)-6/5 X -7/22 = 21/55

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