What is 3-20-11-2[-18] ?

The solution to 3-20-11-2[-18] is 8

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3-20-11-2[-18]

3 - 20 - 11 - 2 [- 18]

8

Solution steps

3 - 20 - 11 - 2 [- 18]

Follow the PEMDAS order of operations

Multiply and divide (left to right)

2 [- 18] : - 36

2 [- 18]

2 [- 18] = - 36

= - 36

= 3 - 20 - 11 - (- 36)

Add and subtract (left to right)

3 - 20 - 11 - (- 36) : 8

3 - 20 - 11 - (- 36)

3 - 20 = - 17

= - 17 - 11 - (- 36)

- 17 - 11 = - 28

= - 28 - (- 36)

Apply rule

- (- a) = + a

- (- 36) = + 36

= - 28 + 36

- 28 + 36 = 8

= 8

= 8

\frac{1}{2} - (\frac{1}{8} - \frac{1}{10})

\frac{( 10 - 15 ) ^{2}}{15}

\frac{1}{3} + 2 - \frac{1}{2} - \frac{5}{6}

(90 \div 6) \times (- 5 + (- 4 (3 - 8) - (12 - 3) + 4))

(2 - 5) (2 + 3)