7 Racionais (4)
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Medium
Used 1+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0,1 · 0,1 · 0,1
1
0,001
0,01
0,0001
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1,8 + 1,35 + 2,1 − 0,8
4,45
6,05
17,2
15,6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Por quanto se deve multiplicar um número para se obter o próprio número como resultado?
Deve-se multiplicar por 1.
Deve-se multiplicar por 0.
Deve-se multiplicar pelo inverso do número.
Deve-se multiplicar por ele mesmo.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2,3 × 1,36
0,680
3,128
4,352
31,28
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A fração geratriz de 0,5555555... é
1/2
555/99
5/10
5/9
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1/8 + 5/6
1/4
1/8
3/7
23/24
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pesquisas mostram que a altura média do homem, nos anos 1 000, era cerca de 1,68 m e, nos anos 2 000, passou para cerca de 1,75 m. Com base nessas pesquisas, a altura média do homem teve um aumento, em cm, de
0,07
0,7
7
70.
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