TECHBLITZ4U

Saturday, March 30, 2013

Puzzle No 7:

Use exactly four 4's to form every integer from 0 to 50, using only the operators +, -, x, /, () (brackets) x² (square), and ! (factorial).

Example: 0 = 44-44

Deadline: 31.3.2013 at 9pm :)

1 comment:

Unknown said...: 0 = 44-44

1 = 44/44

2 = 4/4+4/4

3 = (4+4+4)/4

4 = 4*(4-4)+4

5 = (4*4+4)/4

6 = 4*.4+4.4

7 = 44/4-4

8 = 4+4.4-.4

9 = 4/4+4+4

10 = 44/4.4

11 = 4/.4+4/4

12 = (44+4)/4

13 = 4!-44/4

14 = 4*(4-.4)-.4

15 = 44/4+4

16 = .4*(44-4)

17 = 4/4+4*4

18 = 44*.4+.4

19 = 4!-4-4/4

20 = 4*(4/4+4)

21 = (4.4+4)/.4

22 = 44*sqrt(4)/4

23 = (4*4!-4)/4

24 = 4*4+4+4

25 = (4*4!+4)/4

26 = 4/.4+4*4

27 = 4-4/4+4!

28 = 44-4*4

29 = 4/.4/.4+4

30 = (4+4+4)/.4

31 = (4!+4)/4+4!

32 = 4*4+4*4

33 = (4-.4)/.4+4!

34 = 44-4/.4

35 = 44/4+4!

36 = 44-4-4

37 = (sqrt(4)+4! )/sqrt(4)+4!

38 = 44-4!/4

39 = (4*4-.4)/.4

40 = 44-sqrt(4*4)

41 = (sqrt(4)+4!)/.4-4!

42 = sqrt(4)+44-4

43 = 44-4/4

44 = 44.4-.4

45 = 4/4+44

46 = 44-sqrt(4)+4

47 = 4!+4!-4/4

48 = 4*(4+4+4)

49 = (4!-4.4)/.4

50 = 4!/4+44; March 30, 2013 at 9:03 AM