1) 2 1/4 + 8 3/4 : 6 2/3 = ?
1. 8 3 /4 : 6 2/3 = 35/4 : 20/3 = 21/16 = 1 5/16
2. 2 1/4 + 1 5/16 = 2 4/16 + 1 5/16 = 3 9/16
Ответ: 3 9/16
2) (1 1/3)² · (1 1/2)³ : 2 2/5 =?
1. (1 1/2)³ = (3/2)³ = 27/8
2. (1 1/3)² = (4/3)² = 16/9
3. 27/8 · 16/9 = 6
4. 6 : 2 2/5 = 6 : 12/5 = 5/2 = 2 1/2
Ответ 2 1/2