MATHS

Adding

100

-4+3

-1

200

-1+(-2.1)

-3.1

300

2+(-43)

45

400

-13+13

0

500

-2314987498+(-89324890)

-2404312388

Subtracting

100

-2+-2

-4

200

-3+9

6

300

50-(-3)

53

400

32-(-9)

41

500

-20+(-329)

-349

Multiplying

100

5x-1

-5

200

-2x-1

2

300

-5x3

-15

400

-20x-3

60

500

1258x-1/2

-2516

Dividing

100

-2/-2

1

200

-20/-5

4

300

-90/30

-3

400

-25/5

-5

500

1945/-5

-389

Random

100

-5x(-2)

10

200

-20/-5

-4

300

2x|-12|

24

400

|-25|/5x3

15

500

-20/2x5²

-250