What is 5^2-1\div 2\times 5 ?

The solution to 5^2-1\div 2\times 5 is 22 1/2

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5^2-1\div 2\times 5

5^{2} - 1 \div 2 \times 5

22 \frac{1}{2}

Solution steps

5^{2} - 1 \div 2 \times 5

Follow the PEMDAS order of operations

Calculate exponents

5^{2} : 25

= 25 - 1 \div 2 \times 5

Multiply and divide (left to right)

1 \div 2 \times 5 : \frac{5}{2}

= 25 - \frac{5}{2}

Add and subtract (left to right)

25 - \frac{5}{2} : \frac{45}{2}

= \frac{45}{2}

Convert improper fractions to mixed numbers:

\frac{45}{2} = 22 \frac{1}{2}

= 22 \frac{1}{2}

(4 - 2)^{2} + 1

1 8^{2} + 18 + 4

- (3 + 2)^{2}

- 2^{2} - 2 (- 2) + 1

\frac{1}{3} (2^{4} + 2)