Răspuns:
Explicație pas cu pas:
A)(²2/3-³1/2)+3/4=(4-3)/6+3/4=²1/6+³3/4=
(2+9)/12=11/12
B)5/6+(⁴1-3/4)=5/6+(4-3)/4=²5/6+³1/4=
(10+3)/12=13/12
C)1/3-(5/6-³1/2)=1/3-(5-3)/6=1/3-2/6=
1/3-1/3=0
D)1-(²2/5+1/10)+3/10=1-(4+1)/10+3/10=
1-5/10+3/10=1-2/10=⁵1-1/5=(5-1)/5=4/5
