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Qustion about the sum of some specific irrational numbers

score 692 · Answer 1 · 2026-04-09 13:36:24

692

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Qustion about the sum of some specific irrational numbers

Published on 09 Apr 2026 - 13:36

score 75 · Answer 2 · 2026-04-16 02:56:56

75

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What is the time 550 minutes after 22:15?

Published on 16 Apr 2026 - 2:56

score 70 · Answer 3 · 2026-04-15 20:27:47

70

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Using inference to prove that $(p\wedge q)\vee (p\wedge r) \to (q \vee r)$.

Published on 15 Apr 2026 - 20:27

score 30 · Answer 4 · 2026-04-15 04:08:08

30

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A system became $20\%$ slower than earlier time $T$ should be modeled as $T*1.2$ or $\frac{T}{0.8}$

Published on 15 Apr 2026 - 4:08

score 73 · Answer 5 · 2026-04-12 12:47:25

73

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Rigorously prove that $(A \setminus B) \cup A = A$

Published on 12 Apr 2026 - 12:47

score 136 · Answer 6 · 2026-04-14 22:17:26

136

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Rigorously prove If $A \setminus B = A$, then $A \cap B = \emptyset$

Published on 14 Apr 2026 - 22:17

score 37 · Answer 7 · 2026-04-14 05:56:06

37

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Negation - Some operating systems always crash

Published on 14 Apr 2026 - 5:56

score 59 · Answer 8 · 2026-04-16 15:37:05

59

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How many elements does {5, 6} × P({1, 2, 3}) contain?

Published on 16 Apr 2026 - 15:37

score 27 · Answer 9 · 2026-04-16 09:40:30

27

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Number of $k$-sets in $[n]$ so that any two of them share at most 2 elements?

Published on 16 Apr 2026 - 9:40

score 89 · Answer 10 · 2026-04-10 09:04:41

89

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If ∀A ∈ PX , ∀B ∈ PY , |A| < |B| Then ∃A ∈ PX , ∃B ∈ PY , A ⊂ B

Published on 10 Apr 2026 - 9:04

score 125 · Answer 11 · 2026-04-13 21:20:00

125

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Probabilities-extractions of balls

Published on 13 Apr 2026 - 21:20

score 59 · Answer 12 · 2026-03-26 03:12:55

59

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Prove a recursive function $f(p_i) = (p_i/2)g(p_i) \to \infty$ as $p_i \to \infty$?

Published on 26 Mar 2026 - 3:12

score 107 · Answer 13 · 2026-04-16 11:28:37

107

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Discrete Mathematics induction proof: $1! + 2! + 3! + \ldots + n! < (n + 1)!$

Published on 16 Apr 2026 - 11:28

score 173 · Answer 14 · 2026-03-27 17:50:25

173

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Find all equivalence classes?

Published on 27 Mar 2026 - 17:50

score 629 · Answer 15 · 2026-04-10 16:51:50

629

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How many strings are there of four decimal digits that:

Published on 10 Apr 2026 - 16:51

List Question

Qustion about the sum of some specific irrational numbers

What is the time 550 minutes after 22:15?

Using inference to prove that $(p\wedge q)\vee (p\wedge r) \to (q \vee r)$.

A system became $20\%$ slower than earlier time $T$ should be modeled as $T*1.2$ or $\frac{T}{0.8}$

Rigorously prove that $(A \setminus B) \cup A = A$

Rigorously prove If $A \setminus B = A$, then $A \cap B = \emptyset$

Negation - Some operating systems always crash

How many elements does {5, 6} × P({1, 2, 3}) contain?

Number of $k$-sets in $[n]$ so that any two of them share at most 2 elements?

If ∀A ∈ PX , ∀B ∈ PY , |A| < |B| Then ∃A ∈ PX , ∃B ∈ PY , A ⊂ B

Probabilities-extractions of balls

Prove a recursive function $f(p_i) = (p_i/2)g(p_i) \to \infty$ as $p_i \to \infty$?

Discrete Mathematics induction proof: $1! + 2! + 3! + \ldots + n! < (n + 1)!$

Find all equivalence classes?

How many strings are there of four decimal digits that:

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