Show:
ADDITION
SUBTRACTION
ADDITION
SUBTRACTION
ADDITION
100

12+2 =

14

100

5-2=

3

100

56+35=

91

100

9-4=

5

100

17+18=

35

200

50+42=

92

200

40-20=

20

200

66+19=

85

200

71-43=

28

200

78+39=

117

300

1+1

2

300

2-2=

0

300

7+2=

9

300

67-29=

38

300

12+12=

22

400

20+20=

40


400

15-5=

10

400

62+24=

86

400

10-2=

8

400

3+3=

6

500

15+5

20

500

32-15=

17

500

2+2=

4

500

91-67=

24

500

BONUS QUESTION : 295+255=


550