clasa 9;Logică matematică și mulțimi

clasa 9;Logică matematică și mulțimi

9th Grade

10 Qs

quiz-placeholder

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clasa 9;Logică matematică și mulțimi

clasa 9;Logică matematică și mulțimi

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Medium

Created by

Corneliu Stoicescu

Used 14+ times

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10 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

1

3

 23\frac{2}{3}  

2

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

(-3,2)

{-3,-2,-1,0,1,2}

[-3,2]

3.

MULTIPLE SELECT QUESTION

1 min • 1 pt

 [ 2x13]=3\left[\ \frac{2x-1}{3}\right]=3  Suma soluțiilor întregi ale acestei ecuații este;

4

-4

5

11

4.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

 [x+13]=x12\left[\frac{x+1}{3}\right]=\frac{x-1}{2}  Suma pătratelor soluțiilor acestei ecuații este:

35

16

25

34

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

14

12

6

Nu sunt informații suficiente

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 p(x,y):  "x+y=5", x,y Z\in Z  
Care din următoarele propoziții este adevărată:

 (x)(y)p(x,y)\left(\forall x\right)\left(\forall y\right)p\left(x,y\right)  

 (x)(y)p(x,y)\left(\exists x\right)\left(\forall y\right)p\left(x,y\right)  

 (x)(y)p(x,y)\left(\forall x\right)\left(\exists y\right)p\left(x,y\right)  

Toate celelalte afirmații sunt false

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

6

-6

0

1

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