What is 3\div 2(1+2) ?

The solution to 3\div 2(1+2) is 4 1/2

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3\div 2(1+2)

3 \div 2 (1 + 2)

4 \frac{1}{2}

Solution steps

3 \div 2 (1 + 2)

Follow the PEMDAS order of operations

Calculate within parentheses

(1 + 2) : 3

= 3 \div 2 \cdot 3

Multiply and divide (left to right)

3 \div 2 \cdot 3 : \frac{9}{2}

= \frac{9}{2}

Convert improper fractions to mixed numbers:

\frac{9}{2} = 4 \frac{1}{2}

= 4 \frac{1}{2}

3 (2)^{2} - 2

3^{2} \cdot 4^{2}

- 3 (3)^{2}

\frac{6}{17} (5 - 4)^{2}

(12 + 15) - (3 + 2 + 1) - 4 - (1 + 2 - 6 + 7)