Réponse :
Explications étape par étape
Bjr,
a) -45/24 = -15/8
b) 72/6 = 12
c) -90/72 = -30/24 = -15/12 = -5/4
d) 21/21 =1
e) -225/-30 = 225/30 =45/6 = 15/2
f) -6/- 30 = 6/30= 1/5
g) 308/ -1155 = 44/-165 = 4/-11
h) 105/ -3185 = 3/ 91
i) 1000/ -2240 = 25/ -56
j) -105/5 = -21
k) -108/-28 = 108/28 = 54/ 14 = 27/7
l) -21/21 = -1
☺
