Show:
Adding (+)
Subtracting (-)
Multiplication (x)
100

10 + 5

15

100

20 - 5 = 

15

100

5 x 10 = 

50

200

35 + 11 = 

46

200

45 - 10 = 

35

200

2 x 5 = 

10

300

150 + 25 = 

175

300

350 - 60 = 

290

300

11 x 7 = 

77

400

475 + 25 = 

500

400

709 - 27 =

682

400

4 x 8 = 

32

500

8,760 + 450

9,210

500

4,672 - 450 = 

4,222

500

9 x 12 = 

108