Răspuns :
Răspuns:
{3+0,5×[2,3-0,2×(3,1-5,12:3,2)]}:4 =
{3+0,5×[2,3-0,2×(3,1-1,6)]}:4 =
[3+0,5×(2,3-0,2×1,5)]:4 =
[3+0,5×(2,3-0,3)]:4 =
(3+0,5×2):4 =
(3+1):4 =
4:4=
1
Răspuns:
1
Explicație pas cu pas:
{3+0,5×[2,3-0,2×(3,1-5,12:3,2)]}:4=
={3+0,5×[2,3-0,2×(3,1-1,6)]}:4 =
={3+0,5 ×[2,3-0,2 ×1,5]}:4 =
={3 +0,5×[2,3-0,3]} :4=
={3+0,5 ×2}:4=
={3+1}:4=
=4:4=
=1