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Partea intreaga si partea fractionara

Authored by Nicolae Popa

Mathematics

9th Grade

Used 29+ times

Partea intreaga si partea fractionara
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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculati {-1,2} =

-1

-2

0,2

0,8

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculati {5,3} =

5

0,3

0,7

6

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Stabiliti valoarea de adevar pentru relatia: x = [x] + {x}

1

0

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Aflati x∈Rx\in R  care verifica ecuatia [x-2] = 5

x∈[7;8)x\in\left[7;8\right)  

x = 7x\ =\ 7  

Nu are solutiiNu\ are\ solutii  

x∈{7;8}x\in\left\{7;8\right\}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculati [3,8] =

3,8

0,8

3

4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

[x+1]=−4\left[x+1\right]=-4  

x∈[−5,−4)x\in\left[-5,-4\right)  

x∈[−5,−4]x\in\left[-5,-4\right]  

x=−5x=-5  

x∈[−4,−3)x\in\left[-4,-3\right)  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

[x]+[x+1]+[x+2]=x+52\left[x\right]+\left[x+1\right]+\left[x+2\right]=x+\frac{5}{2}

x=12x=\frac{1}{2}

x=1x=1

x=32x=\frac{3}{2}

x=0x=0

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