Sagot :
bonsoir,
total:
13 * 8 =>104 carreaux
b) et d)
figure1:
4*4 => 16 carreaux
=> 16/104 = 4/26 = 2/13
figure2
16 + 6 + 2 => 24 carreaux
=> 24/104 = 6/26 = 3/13
figure 3
16 carreaux => 2/13
figure 4
32 carreaux => 32/104 = 8/26 = 4/13
figure 5
8 carreaux
8/104 = 4/26 = 2/13
c)
2 et 3 peuvent se recouvrir