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Currency conversion using available rates

score 66 · Answer 1 · 2026-04-08 18:55:32

66

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Currency conversion using available rates

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score 343 · Answer 2 · 2015-09-02 15:32:21

343

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Riddle : Given an integer power, does any integer to this power start with the power?

Published on 02 Sep 2015 - 15:32

score 6.5k · Answer 3 · 2026-04-09 08:23:29

6.5k

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How to find out which number is larger without a calculator?

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score 98 · Answer 4 · 2026-04-09 20:29:03

98

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Is it possible to follow another way to perform this calculation steps?

Published on 09 Apr 2026 - 20:29

score 263 · Answer 5 · 2026-04-02 14:03:49

263

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How to solve the following equation: $\frac{3}{x} - \frac{x-3}{2x+10} + \frac{8}{3x+15} = \frac{4}{3}$?

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score 1.3k · Answer 6 · 2015-09-06 15:40:39

1.3k

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Suppose $a$, $b$, and $c$ are integers. Prove that if $a \mid b$ and $a \mid c$, then $a \mid (b +c)$

Published on 06 Sep 2015 - 15:40

score 7.7k · Answer 7 · 2015-09-07 22:02:31

7.7k

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How many terms of the arithmetic sequence -12, -3, 6, ... must be added to arrive at a sum of 363?

Published on 07 Sep 2015 - 22:02

score 111 · Answer 8 · 2015-09-09 18:11:16

111

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Are there any $x$ for which $x ^2= (x-1)(x+1)$?

Published on 09 Sep 2015 - 18:11

score 72 · Answer 9 · 2026-04-11 23:55:26

72

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How to quantify a relationship so that a small value increases the result and a larger value decrease the result?

Published on 11 Apr 2026 - 23:55

score 1.8k · Answer 10 · 2026-04-08 17:33:40

1.8k

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Explanation about product of two negative numbers being positive.

Published on 08 Apr 2026 - 17:33

score 164 · Answer 11 · 2026-04-09 11:59:07

164

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Is my son's math book key in error?

Published on 09 Apr 2026 - 11:59

score 408 · Answer 12 · 2026-04-08 23:23:28

408

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score 147 · Answer 13 · 2026-03-30 16:49:49

147

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Definition of all real numbers in terms of four arithmetic operations on 1? Reading material?

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score 527 · Answer 14 · 2026-04-09 23:46:18

527

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How to perform operations on numbers with tolerances?

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score 97 · Answer 15 · 2026-04-10 22:46:55

97

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A modular identity

Published on 10 Apr 2026 - 22:46

List Question

Currency conversion using available rates

Riddle : Given an integer power, does any integer to this power start with the power?

How to find out which number is larger without a calculator?

Is it possible to follow another way to perform this calculation steps?

How to solve the following equation: $\frac{3}{x} - \frac{x-3}{2x+10} + \frac{8}{3x+15} = \frac{4}{3}$?

Suppose $a$, $b$, and $c$ are integers. Prove that if $a \mid b$ and $a \mid c$, then $a \mid (b +c)$

How many terms of the arithmetic sequence -12, -3, 6, ... must be added to arrive at a sum of 363?

Are there any $x$ for which $x ^2= (x-1)(x+1)$?

How to quantify a relationship so that a small value increases the result and a larger value decrease the result?

Explanation about product of two negative numbers being positive.

Is my son's math book key in error?

How to simplify trigonometric expression

Definition of all real numbers in terms of four arithmetic operations on 1? Reading material?

How to perform operations on numbers with tolerances?

A modular identity

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