
numeros racionais
Quiz
•
5th - 6th Grade
•
Practice Problem
•
Hard

isabel ferreira
Used 46+ times
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual é o resultado da operação (-4).(-2).(-1)?
+8
-8
+7
-7
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Na adição +2 +5 +4 -2 -5, o resultado final é?
+11
0
+4
-4
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
O resultado da expressão ( +4 +3). (-2-1) é igual a...
+21
-21
+7
-7
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A subtração dessas frações tem como resultado...
1/20
1
1/9
31/20
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual dos números abaixo não tem raiz quadrada exata?
49
36
25
20
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A raiz quadrada do número 1,21 é?
11
1,1
0,1
0,11
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A potência de 25 é?
32
64
10
25
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