Sagot :
Bonsoir
a)
48 = 2 x 2 x 2 x 2 x 3 = 2⁴ x 3
72 = 2 x 2 x 2 x 3 x 3 = 2³ x 3².
b)
48/72 = [(2 x 2 x 2 x 3) x 2] [(2 x 2 x 2 x 3) x 3] = (24 x 2) / (24 x 3) = 2/3.
c)
186/126 = (6 x 31) / (6 x 21) = 31/21.
Bonsoir
a)
48 = 2 x 2 x 2 x 2 x 3 = 2⁴ x 3
72 = 2 x 2 x 2 x 3 x 3 = 2³ x 3².
b)
48/72 = [(2 x 2 x 2 x 3) x 2] [(2 x 2 x 2 x 3) x 3] = (24 x 2) / (24 x 3) = 2/3.
c)
186/126 = (6 x 31) / (6 x 21) = 31/21.