Question

Problem: Predict the remainder when 11111...(100 ones) is divided by 1111111

score 350 · Answer 1 · 2019-07-12 20:25:05

350

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Problem: Predict the remainder when 11111...(100 ones) is divided by 1111111

Published on 12 Jul 2019 - 20:25

score 60 · Answer 2 · 2026-03-29 03:36:46

60

Views

Prove that if $a>b$, then $a>2r$; let $r$ be the remainder of $a$ divided by $b$

Published on 29 Mar 2026 - 3:36

score 129 · Answer 3 · 2019-07-15 12:55:21

How can I prove that starting from $0$, and repeatedly taking $+10,-10,\times10$ or $\div10$, requires at least $9$ operations to get to $2019$?

score 299 · Answer 4 · 2026-03-29 12:12:20

299

Views

Should people who want to study arithmetic geometry study complex geometry?

Published on 29 Mar 2026 - 12:12

score 32 · Answer 5 · 2019-07-17 01:32:34

32

Views

Exercise: Construct two numbers using figures 4,5 and 6 whose product is as big as possible

Published on 17 Jul 2019 - 1:32

score 31 · Answer 6 · 2019-07-17 02:24:34

31

Views

Simple Algebraic Problem: Help with Soccer Team Trip Problem (arithmetic)

Published on 17 Jul 2019 - 2:24

score 157 · Answer 7 · 2026-03-28 11:28:44

157

Views

What is the square root of $(-5)\cdot(-5)$ and how is it different from $\sqrt{(-5)^2}$?

Published on 28 Mar 2026 - 11:28

score 128 · Answer 8 · 2019-07-17 23:09:41

128

Views

Are "$a-b-c$" and "$a/b/c$" meaningful expressions or not?

Published on 17 Jul 2019 - 23:09

score 198 · Answer 9 · 2026-03-26 17:36:04

198

Views

Intuitive algebraic explanation why $2+2$ does not always need to equal $4$?

Published on 26 Mar 2026 - 17:36

score 48 · Answer 10 · 2019-07-18 15:49:48

48

Views

can I understand the average salary of $~3~$ people in this case?

Published on 18 Jul 2019 - 15:49

score 90 · Answer 11 · 2019-07-18 23:39:06

90

Views

Followup question: How to come up with this counterexample?

Published on 18 Jul 2019 - 23:39

score 403 · Answer 12 · 2026-03-29 15:03:17

403

Views

Proof that $\sqrt{2}$ is irrational is not convincing. Please help.

Published on 29 Mar 2026 - 15:03

score 53 · Answer 13 · 2019-07-20 17:42:51

53

Views

Questioning Division

Published on 20 Jul 2019 - 17:42

score 168 · Answer 14 · 2026-03-27 07:12:12

168

Views

Can the 0 power rule be conceptualized?

Published on 27 Mar 2026 - 7:12

score 143 · Answer 15 · 2019-07-24 18:32:54

143

Views

Big O notation - estimation of run time

Published on 24 Jul 2019 - 18:32

List Question

Problem: Predict the remainder when 11111...(100 ones) is divided by 1111111

Prove that if $a>b$, then $a>2r$; let $r$ be the remainder of $a$ divided by $b$

How can I prove that starting from $0$, and repeatedly taking $+10,-10,\times10$ or $\div10$, requires at least $9$ operations to get to $2019$?

Should people who want to study arithmetic geometry study complex geometry?

Exercise: Construct two numbers using figures 4,5 and 6 whose product is as big as possible

Simple Algebraic Problem: Help with Soccer Team Trip Problem (arithmetic)

What is the square root of $(-5)\cdot(-5)$ and how is it different from $\sqrt{(-5)^2}$?

Are "$a-b-c$" and "$a/b/c$" meaningful expressions or not?

Intuitive algebraic explanation why $2+2$ does not always need to equal $4$?

can I understand the average salary of $~3~$ people in this case?

Followup question: How to come up with this counterexample?

Proof that $\sqrt{2}$ is irrational is not convincing. Please help.

Questioning Division

Can the 0 power rule be conceptualized?

Big O notation - estimation of run time

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