Add
Add
Subtract
Subtract
RANDOM
100

5+4

9

100

1+2

3

100

14-2

12

100

18-8

10


100

90+5

95

200

10+4

14

200

14+2

16

200

23-2

21

200

27-7

20

200

12+8

20

300

15+10

25

300

70+23

93

300

67-5

62

300

59-4

55

300

83+3

86

400

40+23

63

400

100+23

123

400

78-3

75

400

99-8

91

400

99+1

100

500

50+44

94

500

500+200

700

500

109-7

102

500

400-200

200

500

500+400

900

M
e
n
u