Réponse :
bonjour
Explications étape par étape
a) (−7) × (−1) =
7
b) 14, 7 × (−1) =
-14.7
c) (−8) × (−9) =
72
d) 7 × (−8) =
-56
e) (−4, 7) × 5 =
-23.5
f) (−5, 2) × (−100) =
520
g) (−9) × 7 =
-63
h) (−42) ÷ (−6) =
7
i) 72 ÷ (−8) =
-9
k) (−24, 7) ÷ (−10) =
2.47
l) 1 478, 4 ÷ (−100) =
-14.784
m) −65(fraction) 5=
-13
