Show:
addition
subtraction
multiplication
division
100

2 + 7

9

100

5-4

1

100

5 x 10

50

100

6 divided by 3

2

200

-5 + -12

-17

200

4-6

-2

200

-9 x -5

45

200

9.99 divided by 3

3.33

300

-2 + 5 

 5

300

-27 - (12)

-39

300

-4 x 30

-120

300

-18 divided by 9

-2

400

-.25 + 1.50

1.25

400

-4/5 - 2/9

-26/45

400

9/11 x -4/5

-36/55

400

-20 divided by -5

4

500

-1/4 + 9.7

9.45

500

-0.39 - (6/8)

-1.14

500

-8.3 x -9.1

75.53
500

-3/4 divided by 2.0

-0.375