0 _ten =

Leah Scott (1G)

Explain 0!

1 _ten =

Michael Holland (1B)

2 _ten =

Leah Scott (1G)

3 _ten =

Mark McLeod (1G)

4 _ten =

Chris Williamson (1B)

First solved by Dulanjana Karunatilaka (16 years old) from

St Thomas Preparatory School, Sri Lanka

(Same solution)

5 _ten =

Alec Aitchison (S3)

First solved by Dulanjana Karunatilaka (same solution)

6 _ten =

Malcolm Findlay (S3)

First solved by Dulanjana Karunatilaka

2 + 0 + 0! + 3

7 _ten =

Hamish Hepburn (S3)

First solved by Dulanjana Karunatilaka

2 + 0! + 0! + 3

8 _ten =

Natasha Purves (S3)

First solved by Dulanjana Karunatilaka

2 + 0 + 0 + 3!

9 _ten =

Thomas Davies (S3)

First solved by Dulanjana Karunatilaka

2 + 0! + 0 + 3!

10 _ten =

Thomas Irving (S3)

First solved by Dulanjana Karunatilaka (same solution)

11 _ten =

Ben Clapperton (S3)

First solved by Dulanjana Karunatilaka (same solution)

12 _ten =

Rowena McIntosh (S3)

13 _ten =

Alec Aitchison (S3)

First solved by Dulanjana Karunatilaka

(2 + 0!)! + 0! + 3!

14 _ten =

Kirsty Stewart (S3)

First solved by Dulanjana Karunatilaka (same solution)

15 _ten =

Gordon Duncan (S3)

16 _ten =

Laura Reed (S3)

First solved by Dulanjana Karunatilaka

2 x (0! + 0!)³

17 _ten =

Sarah Gibb (S3)

First solved by Dulanjana Karunatilaka ( same solution)

18 _ten =

Sheila Norrie (S3)

First solved by Dulanjana Karunatilaka

(2 + 0!) / 0! x 3!

19 _ten =

Hannah Mackenzie (S3)

First solved by Dulanjana Karunatilaka

20 - (0 x 3)!

20 _ten =

Natasha Purves (S3)

First solved by Dulanjana Karunatilaka

20 - 0 x 3

21 _ten =

Ryan Allan (S3)

First solved by Dulanjana Karunatilaka

20 + (0 x 3)!

22 _ten =

Kathryn Husband (S3)

First solved by Dulanjana Karunatilaka

-2 + 0 + (0! + 3)!

23 _ten =

Shona Leenhouts (S3)

First solved by Dulanjana Karunatilaka

-2 + 0! + (0! + 3)!

24 _ten =

Alison Colvin (S3)

First solved by Dulanjana Karunatilaka

2 x 0 + (0! + 3)!

25_ten =

Ben Clapperton (S3)

First solved by Dulanjana Karunatilaka

2 - 0! + (0! + 3)!