Přijímačky 2022
Authored by Vanesa Bandyová
Mathematics
8th Grade
Used 6+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7² − √7²/√49 =
25
6
40
42
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Obdélník má šířku 8 cm a obsah 4 dm² ∶ 5 . Vypočtěte, o kolik cm se liší délka a šířka obdélníku.
O 25cm
O 38cm
O 42cm
3.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Vypočtěte, kolikrát větší je objem 1,2 dm³ než objem 300 mm³ .
2 000krát
4 000krát
3 000krát
4.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
8/5 ⋅ ( 5/6 ⋅ 7/10 − 5/6 ) =
− 2/4
− 2/5
2/5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Umocněte a zjednodušte (výsledný výraz nesmí obsahovat závorky)
(𝑥 + 3/2 )²=
𝑥 ²-3𝑥
𝑥 ²+ 3𝑥 + 9/4
𝑥 ²
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
5 ⋅ 0,4 − 3𝑥 ∶ 2 = 0,5𝑥 + 7
𝑥 = +2,5
𝑥 = −2,5
𝑥 = −4,3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3 − 𝑦/3 + 3/5 ⋅ (𝑦 + 1) + 𝑦/3 = 𝑦
𝑦 = 2
𝑦 = 4
𝑦 = 5
𝑦 = -4
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