Bonjour
Pour les exercices 42 à 44, recopier et compléter. 5eme
Ex 44 page 54
a. 8/5=.../45
5 x 9 = 45
8 x 9 = 72
8/5 = 72/45
b.2/3= .../15
3 x 5 = 15
2 x 5 = 10
2/3 = 10/15
c. 1/6= .../18
6 x 3 = 18
1 x 3 = 3
1/6 = 3/18
d.8/12=.../3
12/4 = 3
8/4 = 2
8/12 = 2/3
e.6/10=.../5
10/2 = 5
6/2 = 3
6/10 = 3/5
f.12/27=.../9
27/3 = 9
12/3 = 4
12/27 = 4/9
