Répondre :
Bonjour;
a)
2/3 *1/5
= 2/15
b)
5/6 *11/7 = 55/42
c)
8*8 = 64
d)
1/10*9/7
= 9/70
bonsoir
2/3 : 5 = 2/3 x 1/5 = 2/15
5/6 : 7/11 = 5/6 x 11/7 = 55/42
8 : 1/8 = 8 x 8 = 64
1/10 : 7/9 = 1/10 x 9/7 = 9/70
Bonjour;
a)
2/3 *1/5
= 2/15
b)
5/6 *11/7 = 55/42
c)
8*8 = 64
d)
1/10*9/7
= 9/70
bonsoir
2/3 : 5 = 2/3 x 1/5 = 2/15
5/6 : 7/11 = 5/6 x 11/7 = 55/42
8 : 1/8 = 8 x 8 = 64
1/10 : 7/9 = 1/10 x 9/7 = 9/70