
Equações Matemáticas
Mathematics
2nd Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva o seguinte sistema de equações por substituição: \[ \begin{cases} x + y = 5 \\ x - y = 1 \end{cases} \]
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva o seguinte sistema de equações por adição: \[ \begin{cases} 2x + 3y = 12 \\ 4x - 3y = 6 \end{cases} \]
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva o seguinte sistema de equações por substituição: \[ \begin{cases} x + 2y = 7 \\ 3x - y = 5 \end{cases} \]
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva o seguinte sistema de equações por adição: \[ \begin{cases} x + y = 6 \\ 2x - y = 4 \end{cases} \]
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva o seguinte sistema de equações por substituição: \[ \begin{cases} 2x + y = 8 \\ x - y = 1 \end{cases} \]
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva o seguinte sistema de equações por adição: \[ \begin{cases} 3x + 2y = 12 \\ x - 2y = 2 \end{cases} \]
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva o seguinte sistema de equações por substituição: \[ \begin{cases} x + 3y = 9 \\ 2x - y = 1 \end{cases} \]
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