The solution to [-2-1/2 ] is -5/2

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simplify [-2-1/2 ]

Solution

simplify

[- 2 - \frac{1}{2}]

- \frac{5}{2}

Decimal Notation

- 2.5

Solution steps

- 2 - \frac{1}{2}

Convert

- 2

to fraction

: \frac{- 4}{2}

- 2

Apply the fraction rule:

a = \frac{ab}{b}

= \frac{- 2 \cdot 2}{2}

Multiply the numbers:

2 \cdot 2 = 4

= \frac{- 4}{2}

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

\frac{- 4}{2} - \frac{1}{2} = \frac{- 5}{2}

\frac{- 4}{2} - \frac{1}{2}

Apply the fraction rule:

\frac{a}{c} - \frac{b}{c} = \frac{a - b}{c}

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

Subtract the numbers:

- 4 - 1 = - 5

= \frac{- 5}{2}

= \frac{- 5}{2}

Apply the fraction rule:

\frac{- a}{b} = - \frac{a}{b}

= - \frac{5}{2}

8 \times (2 - 8) + (- 5)^{2} - (1 - 7)

(3 \times 5 \times 8 \times 4) \div (3 \times 8)

(3^{3} + 3^{2})^{2}

(8 (10) - 9)^{3}

2^{8} \div 2