List questions from arithmetic

Published on 27 Mar 2026 - 3:45

298

Views

$A$, $B$, $C$ do a job $6$ hours faster than $A$ alone, $1$ hour faster than $B$ alone, and in half the time needed by $C$ alone. ...

Published on 27 Jul 2018 - 18:27

1.3k

Views

What is a/b/c/d? That is: What is the correct order for multiple consecutive division operations?

Published on 25 Mar 2026 - 4:39

99

Views

A simple modulo arithmetic problem

Published on 22 Mar 2026 - 22:54

131

Views

Is Case 2 of my proof that $\sum_{i=1}^n a_i=\sum_{i=1}^n a_{\sigma(i)}$ correct?

Published on 30 Jul 2018 - 16:42

35

Views

Make 0 add to 1 over a specified time

Published on 31 Jul 2018 - 3:16

84

Views

A binomial expansion inequality.

Published on 31 Jul 2018 - 14:06

162

Views

Sn the sum of the first n odd numbers

Published on 31 Jul 2018 - 21:32

64

Views

Proving $\Big\lfloor{x}/({y}\cdot{z})\Big\rfloor=\Big\lfloor{\lfloor{x}/{y}\rfloor}/{z}\Big\rfloor$ for positive integers

Published on 25 Mar 2026 - 17:44

275

Views

Downsizing baby formula

Published on 20 Mar 2026 - 8:58

378

Views

What is a number in math?

Published on 25 Mar 2026 - 7:40

264

Views

Why is it that $\frac ab\times\frac1c=\frac a{bc}$?

Published on 26 Mar 2026 - 12:36

211

Views

Multiplication of large numbers, e.g. $97\times 96$: why does this work?

Published on 07 Aug 2018 - 17:51

15.2k

Views

Can you solve this stolen money riddle?

Published on 25 Mar 2026 - 19:10

1.6k

Views

How to subtract larger hex value from smaller hex value?

Published on 12 Aug 2018 - 19:13

List Question

Proving $10240...02401$ composite

$A$, $B$, $C$ do a job $6$ hours faster than $A$ alone, $1$ hour faster than $B$ alone, and in half the time needed by $C$ alone. ...

What is a/b/c/d? That is: What is the correct order for multiple consecutive division operations?

A simple modulo arithmetic problem

Is Case 2 of my proof that $\sum_{i=1}^n a_i=\sum_{i=1}^n a_{\sigma(i)}$ correct?

Make 0 add to 1 over a specified time

A binomial expansion inequality.

Sn the sum of the first n odd numbers

Proving $\Big\lfloor{x}/({y}\cdot{z})\Big\rfloor=\Big\lfloor{\lfloor{x}/{y}\rfloor}/{z}\Big\rfloor$ for positive integers

Downsizing baby formula

What is a number in math?

Why is it that $\frac ab\times\frac1c=\frac a{bc}$?

Multiplication of large numbers, e.g. $97\times 96$: why does this work?

Can you solve this stolen money riddle?

How to subtract larger hex value from smaller hex value?

Trending Questions

Popular # Hahtags

Popular Questions