
Събиране и изваждане на рационални числа. Разкриване на скоби
Quiz
•
Mathematics
•
6th Grade
•
Medium
Mariana Garbidjanova
Used 6+ times
FREE Resource
5 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
👉 Въпрос № 1 Какъв е резултатът от: (-12) + (-4) ?
Answer explanation
(-12) + (-4) = -16, защото събираме две отрицателни числа.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
👉 Въпрос № 2
Кое е вярно преобразуване на израза: −2 . (3−5)?
A) −2 . 3−2 . (−5)=−6 + 10 = 4
Б) −2 . 3−2 . (−5) = − 6 + 10= -16
В) −2 . 3 + (−2) . 5 = − 6 − 10 = −16
Г) −2 . (3−5) = −2 . 2 = −4
Answer explanation
(3 - 5) = -2
-2 . (-2) = 4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
👉 Въпрос 3
„Кое е вярното?“
(−6) + (+4) = ?
- 2
2
-10
10
4.
FILL IN THE BLANK QUESTION
45 sec • 2 pts
👉 Въпрос 4
„Изчисли: (−12) − (−15) = ____
5.
OPEN ENDED QUESTION
1 min • 3 pts
👉 Въпрос 5 (по-труден, Open Ended)
„Реши израза: −2 . (7−11) + (−5)
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