5 целых 1/3 = 16/3
2 целых 1/4 = 9/4
16/4 × 9/4 ÷ 4/5 =>
16/4 × 9/4 × 5/4 = 16/1 × 9/4 × 5/1 =
= 4/1 × 9/1 × 5/1 = 4 × 9 × 5 = 20 × 9=
= 180
ответ: 180
5 целых 1/3 = 16/3
2 целых 1/4 = 9/4
16/4 × 9/4 ÷ 4/5 =>
16/4 × 9/4 × 5/4 = 16/1 × 9/4 × 5/1 =
= 4/1 × 9/1 × 5/1 = 4 × 9 × 5 = 20 × 9=
= 180
ответ: 180