Show:
Addition
Subtraction
Addition
Subtraction
100

5 + 2 = 

7
100

5 - 3  =

2

100

35 + 42 =

77

100

35 - 12 = 

23

200

5 + 4 + 5 =

14

200

8 - 7 + 5 =

6

200

354 + 404 =

758

200

95 - 46 =

49

300

9 + 3 + 5 + 7 = 

24

300

320 - 24 = 

296

300

55.7 + 257.32= 

313.02

300

57.5 - 4.78 =

52.72

400

2 + 2 + 3 + 3 =

10

400

25 - 12 + 5 =

18

400

345.02 + 6.789 =

351.809

400

635.68 - 63.568 = 

572.112

500

5 + 12 + 3 + 24 =

44

500

12 - 4 + 7 x 2 =

30

500

771 + 135 = 

103,436

500

 54/24 - 41/24 =

13/24