Show:
easy
easy-medium
medium
medium-hard
hard
1

3x2

6

1

three times four

12

1

6 times three

18

1

8x4

32

1

8x8

67

2

2x2

4

2

two times two

four

2

four times 4

sixteen

2

6x6

36

2

9x6

54

3

2x1

2


3

four times two

8

3

three times 5

15

3

3x7

21

3

7x5

35

4

4x0

0

4

zero times eight

zero

4

five times 10

50

4

9x3

27

4

9x11

99