1559 in Base Eleven

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1-25 26-50 51-75 76-100 101-125 126-150 151-175

51ten =

1 x 55 - 9

Sarah Hudson (S3)

Explain 55

52ten =

1 + 55 - 9

Sarah Hudson (S3)

53 ten =

-1 + 55 - (9)!

Neil Hunter (S3)

Explain !

54 ten =

(-1 + 5 + 5) x (9)!

Kevan Fraser (S3)

55 ten =

1 + 55 - (9)!

Claire Kruithof (S3)

56 ten =

15 x (5 + 9)

Nikki Jack (S3)

Explain 15

57 ten =

1 x 55 -9

Neil Hunter (S3)

58 ten =

1 + 55 -9

Nikki Jack (S3)

59 ten =

-1 x 5 + 59

Kerry McRitchie (S3)

60 ten =

1 - 5 +59

Sarah Hudson (S3)

61 ten =

15 + 5 x 9

Kerry McRitchie (S3)

62 ten =

-1 + 55 +9

Nikki Jack (S3)

63 ten =

-15 + 59

Kerry McRitchie (S3)

explain 59

64 ten =

15 x (-5 + 9)

Kevan Fraser (S3)

65 ten =

15 + 59

Kerry McRitchie (S3)

66 ten =

(15 - 5) x (9)!

Robert Crawford (S3)

67 ten =

1 + 55 + (9)!

Sam Larg (S3)

68 ten =

-1 + 5 + 59

Kerry McRitchie (S3)

69 ten =

1 x 55 + 9

Sarah Hudson (S3)

70 ten =

1 + 55 + 9

Kim Murray (S3)

71 ten =

15 x 5 - 9

Elisabeth Brewster (S3)

72 ten =

1 x 5! / 5 x 9

Sarah Hudson (S3)

73 ten =

1 + 5! / 5 x 9

Craig Wallace (S3)

74 ten =

15 x 5 - (9)!

Robert Crawford (S3)

75 ten =

1 x 5 x 5 x 9

Sarah Hudson (S3)

Solutions 26 - 50 ..... Solutions 76 - 100