3. Найди и запиши значение выражений. 18:3⋅2= 4⋅3:2= 16:2⋅3= 2⋅9:6= 2⋅3⋅3= 2⋅4⋅3= 21:7⋅4= 3⋅3⋅3= 24:8⋅5=

Решение:

1. \( 18 : 3 \cdot 2 = 6 \cdot 2 = 12 \)
2. \( 4 \cdot 3 : 2 = 12 : 2 = 6 \)
3. \( 16 : 2 \cdot 3 = 8 \cdot 3 = 24 \)
4. \( 2 \cdot 9 : 6 = 18 : 6 = 3 \)
5. \( 2 \cdot 3 \cdot 3 = 6 \cdot 3 = 18 \)
6. \( 2 \cdot 4 \cdot 3 = 8 \cdot 3 = 24 \)
7. \( 21 : 7 \cdot 4 = 3 \cdot 4 = 12 \)
8. \( 3 \cdot 3 \cdot 3 = 9 \cdot 3 = 27 \)
9. \( 24 : 8 \cdot 5 = 3 \cdot 5 = 15 \)

Ответ: 12, 6, 24, 3, 18, 24, 12, 27, 15.