Răspuns:
Explicație pas cu pas:
a) ²⁾2/5+3/10 = (4+3)/10 = 7/10
b) 2/9+³⁾2/3 = (2+6)/9 = 8/9
c) ²⁾3/4+5/8 = (6+5)/8 = 11/8
d) 7/8+⁴⁾1/2 = (7+4)/8 = 11/8
e) ²⁾1/2+1/4 = (2+1)/4 = 3/4
f) 3/10+²⁾2/5 =(3+4)/10 = 7/10
g) 1/6+²⁾2/3 =(1+4)/6 = 5/6
h) ⁴⁾3/5+1/20 = (12+1)/20 = 13/20
