Show:
adding 3 numbers
subtracting 3 numbers
adding 2 numbers
subtracting 2 numbers
music math
(karaoke)
100

345+741

1086

100

984-211

773

100

98+6

104

100

64-12

52

100

89-900

811

200

412+798

1,210

200

773-654

443

200

14+98

112

200

52-45

7

200

82+63

145

300

873+902

1775

300

443-912

469

300

29+68

97

300

34-61

27

300

145-66

79

400

523+916

1439

400

954-527

427

400

99+36

135

400

24-74

50

400

7895-502

7393

500

549+634

1183

500

983-974

9

500

98+66

164

500

52-99

47

500

9003-789

8214