Bonjour,
a. 3 : - 3/4 = 3 x - 4/3 = - 12/3 = - 4
b. - 9 : - 1/3 = - 9 x - 3 = 27
c. 60/7 : - 4/21 = 60/7 x - 21/4 = - 1 260/28 = (28 x - 45) / (28 x 1) = - 45.
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Bonjour,
a. 3 : - 3/4 = 3 x - 4/3 = - 12/3 = - 4
b. - 9 : - 1/3 = - 9 x - 3 = 27
c. 60/7 : - 4/21 = 60/7 x - 21/4 = - 1 260/28 = (28 x - 45) / (28 x 1) = - 45.