Răspuns:
Explicație pas cu pas:
a)
1/6 + 1/9 = 3/18 + 2/18 = 5/18
b)
7/6 - 1/4 = 14/12 - 3/12 = 11/12
c)
9/8 + 5/6 = 27/24 + 20/24 = 47/24
d)
7/24 + 9/32 = 28/96 + 27/96 = 55/96
e)
11/12 - 5/18 = 33/36 - 10/36 = 23/36
a) 2 supra 15
b) 6 supra 2
c) 14 supra 14
d)16 supra 56
f) 7 supra.?
