матем
Authored by Aliya Zh
Mathematics
1st - 3rd Grade
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5 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Найдите решение системы уравнений: {3𝑥−6𝑦=−3
2𝑥+3𝑦=5
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
ычислите определитель: |1 0 0 0
2 1 0 0
3 2 3 0
4 3 2 4|
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Выбрать выражения минора элемента 𝑎32: |3 1 −2
5 4 0
3 −1 −1|
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Вычислить определитель: |0 0 −10
0 7 10
1 2 0 |
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Вычислить определитель: |𝑠𝑖𝑛𝛼+𝑠𝑖𝑛𝛽 𝑐𝑜𝑠𝛼+𝑐𝑜𝑠𝛽
𝑐𝑜𝑠𝛽−𝑐𝑜𝑠𝛼 𝑠𝑖𝑛𝛼−𝑠𝑖𝑛𝛽|
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