Show:
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minus
gange
plus/minus
random
100

1+1

2

100

7-3

4

100

3*2

6

100

22-15

7

100

Find det manglende tal
3+? = 6

3

200

22+17

39

200

12-8

4

200

11*11

121

200

37+18

55

200

Find det manglende tal
102+? = 126

24

300

74+29

103

300

33-17

16

300

7*14

98

300

75-86

-11

300

Find det manglende tal
53-? = 44

9

400

53+22

75

400

24-16

8

400

100*0.5

50

400

47+68

115

400

Find det manglende tal
98 - ? = 50

48

500

128.5+33.25

161,75

500

10335-53

10282

500

100*28.5

2850

500

59-12+19

66

500

Find det manglende tal
1.000.000 - ? = 907.000

93.000