Question

$\mathbb{Z}$: Unique operation s.t. $1\star m=m$ and right distributivity hold?

score 66 · Answer 1 · 2026-03-31 12:50:42

66

Views

$\mathbb{Z}$: Unique operation s.t. $1\star m=m$ and right distributivity hold?

Published on 31 Mar 2026 - 12:50

score 34 · Answer 2 · 2015-10-26 19:39:32

34

Views

Invalid Coin measuring?

Published on 26 Oct 2015 - 19:39

score 748 · Answer 3 · 2015-10-27 16:57:21

748

Views

divide or multiply if number between 1 and 0

Published on 27 Oct 2015 - 16:57

score 32 · Answer 4 · 2026-04-12 15:53:29

32

Views

Problem with a proof of a statement about the arithmetic root of a rational number

Published on 12 Apr 2026 - 15:53

score 57 · Answer 5 · 2026-04-13 03:15:26

57

Views

Bracket expansion, keeps failing tests.

Published on 13 Apr 2026 - 3:15

score 8.9k · Answer 6 · 2026-04-09 22:47:55

8.9k

Views

How is division comparable to subtraction?

Published on 09 Apr 2026 - 22:47

score 59 · Answer 7 · 2015-10-28 02:28:11

59

Views

Prove that all values $n$ which are odd can be written in one of two forms: $4q+1$, $4q+3$ with a non-negative integer $q$?

Published on 28 Oct 2015 - 2:28

score 125 · Answer 8 · 2026-04-03 12:54:29

125

Views

Difference in the number of laps covered by two runners with different speeds

Published on 03 Apr 2026 - 12:54

score 663 · Answer 9 · 2026-03-30 23:15:33

663

Views

Weighted average of household size given number of households of each size

Published on 30 Mar 2026 - 23:15

score 506 · Answer 10 · 2026-04-11 21:01:26

506

Views

How long before I (see q.) will have recovered the extra purchase cost?

Published on 11 Apr 2026 - 21:01

score 97 · Answer 11 · 2026-04-03 14:27:27

97

Views

Packs of pencils required in equal

Published on 03 Apr 2026 - 14:27

score 335 · Answer 12 · 2026-03-28 17:50:31

335

Views

Writing an integer as a sum of two square in many ways, with consecutive arguments

Published on 28 Mar 2026 - 17:50

score 137 · Answer 13 · 2015-10-29 18:26:02

137

Views

Why is $x-(x-1)=1$ instead of $x-x-1=-1$ as in $a(bc)=abc$?

Published on 29 Oct 2015 - 18:26

score 143 · Answer 14 · 2015-10-29 21:15:03

143

Views

Same number on every side of triangle?

Published on 29 Oct 2015 - 21:15

score 78 · Answer 15 · 2026-04-12 01:42:42

78

Views

Calculating percentages of two inputs

Published on 12 Apr 2026 - 1:42

List Question

$\mathbb{Z}$: Unique operation s.t. $1\star m=m$ and right distributivity hold?

Invalid Coin measuring?

divide or multiply if number between 1 and 0

Problem with a proof of a statement about the arithmetic root of a rational number

Bracket expansion, keeps failing tests.

How is division comparable to subtraction?

Prove that all values $n$ which are odd can be written in one of two forms: $4q+1$, $4q+3$ with a non-negative integer $q$?

Difference in the number of laps covered by two runners with different speeds

Weighted average of household size given number of households of each size

How long before I (see q.) will have recovered the extra purchase cost?

Packs of pencils required in equal

Writing an integer as a sum of two square in many ways, with consecutive arguments

Why is $x-(x-1)=1$ instead of $x-x-1=-1$ as in $a(bc)=abc$?

Same number on every side of triangle?

Calculating percentages of two inputs

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