What is 3-2*1-10*(-3) ?

The solution to 3-2*1-10*(-3) is 31

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3-21-10(-3)

3 - 2 \cdot 1 - 10 \cdot (- 3)

31

Solution steps

3 - 2 \cdot 1 - 10 (- 3)

Follow the PEMDAS order of operations

Multiply and divide (left to right)

2 \cdot 1 : 2

2 \cdot 1

2 \cdot 1 = 2

= 2

= 3 - 2 - 10 (- 3)

Multiply and divide (left to right)

10 (- 3) : - 30

10 (- 3)

Apply rule

a \cdot (- b) = - a \cdot b

10 (- 3) = - 10 \cdot 3 = - 30

= - 30

= 3 - 2 - (- 30)

Add and subtract (left to right)

3 - 2 - (- 30) : 31

3 - 2 - (- 30)

3 - 2 = 1

= 1 - (- 30)

Apply rule

- (- a) = + a

- (- 30) = + 30

= 1 + 30

1 + 30 = 31

= 31

= 31

1 1^{2} - 3^{2}

7 + 2 \times 3

25 + 12 + (8 - 5) + 5 + 2

3 - (- 9) + 2

3 + (2 - 1) \times 4