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Division
Addition
everything
Subtraction
100

-5 x 10

-50

100

14/364

26

100

20+5

25

100

David had 5 of pies and ate 2 of pies 

3 pies left

100

200-150

50

200

5 x 20

100

200

21/357

17

200

-150+-100

-250

200

-23-46+78 X 150

1350

200

1245-500

745

300

6 x 10

60

300

33/627

19

300

-2000 + 400 + 50

-1550

300

-100 + 200 + -300 

400

300

5000-4000

1,000

400

4 x 8

32

400

25/625

25

400

-2000 + -6000 +  500

-7500

400

1.506 + 895

896.506

400

10,200-200

200

500

200 x 10

2,000

500

34/170

5

500

-9000 + 7000 + 8000

6000

500

-2.245+6.789

4.544

500

30,200-20,000

10,200