2•(5+2):2

To solve the expression \( 2 \cdot (5 + 2) : 2 \), follow the order of operations:

1. Parentheses: Calculate the expression inside the parentheses first. \[ 5 + 2 = 7 \]

2. Multiplication: Next, multiply by 2. \[ 2 \cdot 7 = 14 \]

3. Division: Finally, divide by 2. \[ 14 : 2 = 7 \]

Thus, the result of the expression \( 2 \cdot (5 + 2) : 2 \) is \( 7 \).