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ΑΠΟΛΥΤΗ ΤΙΜΗ ΣΩΣΤΟ --- ΛΑΘΟΣ

Authored by Babis Athanasiadis

Mathematics

1st - 12th Grade

Used 5+ times

ΑΠΟΛΥΤΗ ΤΙΜΗ ΣΩΣΤΟ --- ΛΑΘΟΣ
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20 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Αν   x \in R   τότε ισχύει πάντα    xxx-\left|x\right|\le x\le\left|x\right|  

Σωστό 

Λάθος

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ισχύει η ισότητα d(3,-5)=8

Σωστό

Λάθος

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

 Iσχυˊει  η  ισοδυναμιˊα   x0x=0Ισχύει\ \ η\ \ ισοδυναμία\ \ \ \left|x\right|\le0\Longleftrightarrow x=0  


Σωστό

Λάθος

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Aν  αβ=αβ   τοˊτε   αβ0Αν\ \ \left|αβ\right|=αβ\ \ \ τότε\ \ \ αβ\ge0  

Αν

Σωστό

Λάθος

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Iσχυˊει  α+β>0  α0 ηˊ β0Ισχύει\ \ \left|α\right|+\left|β\right|>0\ \Longleftrightarrow\ α\ne0\ ή\ β\ne0  


Σωστό

Λάθος

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ισχύει  α+β0  α=β=0\left|α\right|+\left|β\right|\le0\ \Longleftrightarrow\ α=β=0  

Σωστό

Λάθος

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Aν   xR   τοˊτε   xxΑν\ \ \ x\in R\ \ \ τότε\ \ \ \left|x\right|\le x  


Σωστό 

Λάθος

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