Răspuns:
Explicație pas cu pas:
a = (3/4 -1)*(-2/10) + 3/2=
((3-4)/4*(-2/10) + 3/2=
(-1/4)*(-1/5) + 3/2 =
1/20 +3/2 = (1+30)/20 = 31/20
b = 15/82 - 15/82*41/3 : 5/2 =
15/82 - 5/2:5/2 =
15/82 -1 = (15-82)/82 = -67/82
a > b