
Operações com números racionais EF.6a9.MAT38
Authored by Karina Santiago
Mathematics
7th Grade
Used 6+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Supondo que, certo ano, a fila de espera para um transplante de rins tinha cerca de 1.250 pacientes e que 62% desses pacientes não tiveram condições para receber o transplante, quantos restaram na fila de espera?
77500
2016
775
77,5
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Uma pesquisa na escola de Lúcia revelou que 3 /4 dos alunos gostam de qualquer esporte. Nessa parcela, 2/ 5 praticam futebol. Sabendo que foram ouvidos 200 alunos, o número de pessoas que praticam futebol é
50
40
70
80
3.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Cada letra equivale à soma dos números das duas casas imediatamente abaixo. Determine na forma de fração o número que está no alto da pirâmide
4.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Determine o valor √0,0169
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Determine o valor da expressão (0,2 + 1,5) x 1,3
6.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Determine o valor da expressão √64/25 - √16/49
7.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Determine (-1/2)³
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