Expressões Algébricas - Introdução
Quiz
•
Mathematics
•
1st Grade
•
Practice Problem
•
Medium
MARILIA ALEIZ
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Assinale a alternativa que indica uma expressão algébrica.
39 + 7
4.5 + 3²
-9a + b
100 - 10² + 40
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O dobro de um número mais nove.
2 + 9
3y - 9
x² + 9
2x + 9
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A diferença entre o triplo de um número e nove.
3 - 9
3y - 9
x² + 9
3y + 9
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A diferença entre o quadrado de um número e cinco.
x - 5
4x - 5
x² - 5
x² + 5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A metade de um número mais uma dezena.
x/2 + 10
x/2 + 12
2x + 10
2x + 12
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A soma de um número com quinze é igual a dezenove.
19x = 15
x + 19 = 15
x - 15 = 19
x + 15 = 19
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A diferença de um número com sete é igual a nove.
7x = 9
x - 7 = 9
x - 9= 7
7 - x = 9
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