Réponse:
a.
(3×4+1)×(6-4) =
13×2 =
26
b.
(3×(-2)+1)×(6-(-2)) =
(-6+1)(6+2) =
-5×8 =
-40
c.
(3×5/6 +1)×(6-5/6) =
(15/6+6/6)(36/6 - 5/6) =
21/6 × 31/6 =
7/2 × 31/6 =
217/12
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Réponse:
a.
(3×4+1)×(6-4) =
13×2 =
26
b.
(3×(-2)+1)×(6-(-2)) =
(-6+1)(6+2) =
-5×8 =
-40
c.
(3×5/6 +1)×(6-5/6) =
(15/6+6/6)(36/6 - 5/6) =
21/6 × 31/6 =
7/2 × 31/6 =
217/12