
Resolvendo Expressões Numéricas

Interactive Video
•
Mathematics
•
7th Grade
•
Hard
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a ordem correta para resolver uma expressão numérica com parênteses, colchetes e chaves?
Chaves, colchetes, parênteses.
Colchetes, parênteses, chaves.
Parênteses, colchetes, chaves.
Parênteses, chaves, colchetes.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado da operação dentro dos primeiros parênteses na expressão {30 + [10 - 5 + (-2 - 3)] - 18 - 12}?
-1
-5
1
5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Após resolver os parênteses, qual é o resultado da operação dentro dos colchetes na expressão {30 + [10 - 5 + (-5)] - 18 - 12}?
5
10
0
-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado da primeira parte da expressão [(+23) + (-5)] : [12 - (+3) x (-2)]?
18
28
-18
-28
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado final da expressão [(+23) + (-5)] : [12 - (+3) x (-2)]?
0
1
-1
18
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