
Problemas Matemáticos
Authored by GISLAINE ANTONIACOMI
Mathematics
8th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Maycon comprou algumas balas para presentear seus sobrinhos. Dessas balas 1/5 eram de calda de caramelo e 2/3 eram bala de coco. A fração que representa a quantidade de balas com calda de caramelo em relação à quantidade das balas de coco comprados por Maycon é:
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Joana irá fazer uma limonada em uma jarra de 2 litros e pretende distribuir em copos de 250 ml. Quantos recipientes Joana conseguirá preencher, sabendo que o líquido deve ser dividido igualmente?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A idade de Joaquim é o triplo da idade de Mateus adicionado de 15. Qual a expressão que representa a idade de Joaquim?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual monômio é semelhante a -1/4 ax:
2 ax
2ax²
-3/5 ax²
0.5a²x
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual monômio é semelhante a -1/3 x²y²z³:
3x²y²z²
-2/3x²y¹z³
-4x³y²z
0,8x²y²z³
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Combine os termos semelhantes da expressão 8+5n-3
5n-5+3
5n+5
-5n-5
5n+8-3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Combine os termos semelhantes da expressão 8x+2-x+4+3x-3:
8x-6
-8x+6
10x+3
-10x-3
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