Addition
Subtraction
Multiplication
Division
Mystery
100

25+15 

40 

100

60-40

20

100

3x5

15

100

24 divided by 6

4

100

18 - ? = 6

12

200

28+43

71

200

85-30

55

200

4x9

36

200

30 divided by 5

6

200

? + 40 = 95 

55

300

64+27

91

300

98-46

52

300

6x8

48

300

49 divided by 7 

7

300

? x 5 = 45

9

400

112+23

135

400

165-42

123

400

9x9

81

400

100 divided by 25

4

400

112 + ? = 208

96

500

524+361

885

500

681-195

486

500

12x7

84

500

100 divided by 5

20

500

500 - ? = 125

375

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