Răspuns:
{8/35+[(3/2-33/35)+(3/14-2/35)-(2-12/7+5/14)]}x3 1/3= (se aduc fracțiile la același numitor)
{8/35+[(35x3/70-33x2/70)+(3x5/70-2x2/70)-(2x14/14-12x2/14+5/14)]}x3 1/3=
{8/35+[(105/70-66/70)+(15/70-4/70)-(28/14-24/14+5/14)]}x10/3=
[8/35+(39/70+9/70-9/14)]x10/3=
[8/35+(39/70+9/70-9x5/70)]x10/3=
[8/35+(39/70+9/70-45/70)]x10/3=
(8/35+3/70)x10/3=
(8x2/70+3/70)x10/3=
(16/70+3/70)x10/3=
19/70x10/3= (se simplifică fracțiile cu 10)
19/21
Explicație pas cu pas:
