Bonjour,
1)
8.3 = 83/10
0.9 = 9/10
10.4 = 104/10
5.403 = 5403/1000
2)
75/100 = 0.75
931/10 = 93.1
7521/100 = 75.21
320/1000 = 0.32
Bonne soirée !
Bonjour,
Exercice 1
a)
83/10
b)
9/10
c)
104/10
d)
5 403/100
a)
0,75
b)
93,1
c)
7,521
d)
0, 32
Exercice 2
a)
5,3 +42/10
5,3 + 4,2
=9,5
(3,6 + 20,1) /6
23,7/6 = 3,95