Operations on Real Numbers

Addition

100

-13 + 18

5

200

5 + 7 + -4

8

300

6.3 + (-8.4)

-2.1

400

-2 + (-7) + (-11) + 22

2

500

-3.7 + 0.1 + (-0.6) + 8.1

3.9

Subtraction

100

-13 - 18

-31

200

5 - 7 - (-4)

2

300

6.3 - (-8.6)

14.9

400

-2 - (-7) - (-11) - 22

-6

500

-3.7 - 0.1 - (-0.6) - 8.1

-11.3

Multiplication

100

-8(4)

-32

200

-100(-35)

3500

300

(-1)(-5)(-6)

-30

400

(-3)(-2)(4)

24

500

(-4)(0)(5)(6)

0

Division

100

-14 / -2

7

200

35 / -5

-7

300

-24 / -4

6

400

3 / -6

-0.5

500

-20 / 0

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PEMDAS

100

2 + (5 - 2) + 4²

21

200

17 - 5 * 4 / 2

7

300

2[18 - (5 + 3²) / 7]

32

400

(6 / 2 + 4) / (8 + 2 * 5)

7/18 or 0.39

500

-(-16) / [(3² - 4) / (5 - 10)]

-16