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Komplexní čísla

Authored by Petra Siebenbürgerová

Mathematics

12th Grade

Used 7+ times

Komplexní čísla
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13 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Které komplexní číslo je reálné?

a=(2,5)

a=(2,0)

a=(0,5)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Které komplexní číslo je imaginární?

a=(0,2)

a=(2,0)

a=(2,3)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Které komplexní číslo je ryze imaginární?

a=(2,5)

a=(0,2)

a=(2,0)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Který zápis odpovídá číslu a=(2,3)?

a=3+2i

a=3-2i

a=2+3i

a=2-3i

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a = 3+2i, b = 4-3i. Kolik je a+b?

a+b = 7+5i

a+b = 7-i

a+b = -1+5i

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a = 3+2i, b = 4-3i Kolik je a-b?

a-b = -1+5i

a-b = 1+5i

a-b = 7-i

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a=2-4i Kolik je opačné číslo?

2+4i

-2+4i

-2-4i

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