merci bcp si vous m'aidiez sur cet exercice
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Bonjour,
a. -6 = ?/4
-6/1 = ?/4
(-6 x 4)/(1 x 4) = -24/4
b. 3/-5 = ?/15
(3 x (-3))/(-5 x (-3)) = -9/15
c. -1/9 = -7/?
(-1 x 7)/(9 x 7) = -7/63
d. -14/-13 = ?/65
(-14 x (-5))/(-13 x (-5)) = 70/65