Răspuns :
(5/6 + 3/4) × 24/19 - (2/3 - 1/6) × 4/3 =
= (5×2/12 + 3×3/12) × 24/19 - (4/6-1/6)×4/3
= (10/12 + 9/12) × 24/19 - 3/6× 4/3 =
= 19/12 × 24/19 - 12/18=
= 24/12 - 2/3 =
= 2 - 2/3 =
= (6-2)/3 =
= 4/3
= (5×2/12 + 3×3/12) × 24/19 - (4/6-1/6)×4/3
= (10/12 + 9/12) × 24/19 - 3/6× 4/3 =
= 19/12 × 24/19 - 12/18=
= 24/12 - 2/3 =
= 2 - 2/3 =
= (6-2)/3 =
= 4/3