(a +b)2 =
Matematika hrou

Quiz
•
Mathematics
•
10th Grade
•
Hard
Eva Březinová
Used 12+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a2 + b2
a2 + 2ab +b2
(a + b)(a - b)
a2 - 2ab +b2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vyberte vztah, který nevyjadřuje Euklidovu větu:
v =ca . cb
a2 =ca . c
b2 = cb . c
v2 =ca . cb
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Funkce sinus vyjadřuj poměr:
přilehlé odvěsny k přeponě
protilehlé odvěsny k přilehlé odvěsně
protilehlé odvěsny k přeponě
přilehlé odvěsny k protilehlé
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Obsah kruhu se počítá:
S = πr2
S = πd2
S = 2πr
S = 2πr2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Obvod kruhu se počítá:
o = πr2
o = πd2
o = 2πr
o = 2πd
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kolik je 20 % ze 180 Kč?
90 Kč
18 Kč
36 Kč
9 Kč
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaká je nová cena šatů, které z původních 1 590 Kč zlevnili o 10 %?
159 Kč
1 431 Kč
1749 Kč
1 580 Kč
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