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Order of operation to get total

score 14 · Answer 1 · 2026-04-10 19:38:54

14

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Order of operation to get total

Published on 10 Apr 2026 - 19:38

score 422 · Answer 2 · 2015-07-26 06:44:04

422

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Elementary Substitution in Solving Equations - Why it works

Published on 26 Jul 2015 - 6:44

score 186 · Answer 3 · 2026-04-02 10:58:24

186

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Exponential function negative: $\left(\frac{81}{4}\right)^{1/4}\left(\frac{1}4\right)^{-3/4}$

Published on 02 Apr 2026 - 10:58

score 21.8k · Answer 4 · 2026-03-31 22:42:48

21.8k

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Simplify Square Root Expression $\sqrt{125} - \sqrt{5}$

Published on 31 Mar 2026 - 22:42

score 70 · Answer 5 · 2015-07-28 07:47:38

70

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Given $N$, is there a formula for $card( \{(m,n)\, s.t.\, m\cdot n \leq N \} )$?

Published on 28 Jul 2015 - 7:47

score 5.1k · Answer 6 · 2026-04-10 11:19:46

5.1k

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How to solve problems on alligation and mixture when three types are given?

Published on 10 Apr 2026 - 11:19

score 92 · Answer 7 · 2026-04-03 04:10:21

92

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A vessel contains $x$ amount of milk out of which $y$ amount is taken out and replaced with water $n$ times.

Published on 03 Apr 2026 - 4:10

score 103 · Answer 8 · 2015-07-28 20:28:43

How to check that numbers "a" and " b", a digit at a position "i" from number "b" is less or equal than the digit at position "i" at number "a"?

score 4.1k · Answer 9 · 2015-07-28 20:31:30

4.1k

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Why do remainders show cyclic pattern?

Published on 28 Jul 2015 - 20:31

score 186 · Answer 10 · 2026-04-12 07:53:56

186

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Absolute value of a complex sum

Published on 12 Apr 2026 - 7:53

score 233 · Answer 11 · 2015-07-29 06:12:58

233

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Absolute value of infinite series sum

Published on 29 Jul 2015 - 6:12

score 1.2k · Answer 12 · 2015-07-29 15:17:21

1.2k

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How to prove that $(a-b) \mod N = a \mod N + ((-b) \mod N)$?

Published on 29 Jul 2015 - 15:17

score 58.6k · Answer 13 · 2026-04-10 11:15:00

58.6k

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Can you add a scalar to a matrix?

Published on 10 Apr 2026 - 11:15

score 1.9k · Answer 14 · 2015-07-30 17:51:15

1.9k

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Given a time, calculate the angle between the hour and minute hands

Published on 30 Jul 2015 - 17:51

score 95 · Answer 15 · 2015-07-31 15:42:14

95

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A simple expression to map $\mathbb N^*$ bijectively to $\mathbb N$

Published on 31 Jul 2015 - 15:42

List Question

Order of operation to get total

Elementary Substitution in Solving Equations - Why it works

Exponential function negative: $\left(\frac{81}{4}\right)^{1/4}\left(\frac{1}4\right)^{-3/4}$

Simplify Square Root Expression $\sqrt{125} - \sqrt{5}$

Given $N$, is there a formula for $card( \{(m,n)\, s.t.\, m\cdot n \leq N \} )$?

How to solve problems on alligation and mixture when three types are given?

A vessel contains $x$ amount of milk out of which $y$ amount is taken out and replaced with water $n$ times.

How to check that numbers "a" and " b", a digit at a position "i" from number "b" is less or equal than the digit at position "i" at number "a"?

Why do remainders show cyclic pattern?

Absolute value of a complex sum

Absolute value of infinite series sum

How to prove that $(a-b) \mod N = a \mod N + ((-b) \mod N)$?

Can you add a scalar to a matrix?

Given a time, calculate the angle between the hour and minute hands

A simple expression to map $\mathbb N^*$ bijectively to $\mathbb N$

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