
Cálculo Mental6
Authored by LANDY CMAY
Mathematics
8th - 12th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si tengo 8, 6, 9, 9 y 7 de calificación en cinco asignaturas, ¿Cuál es el promedio de la calificación?
8.7
7.8
7
8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuánto es (6+3) x (5+4)
25
49
81
33
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cuál es el número que completa la siguiente operación?
(-9) ( ) = 450
50
-50
441
-441
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cuál es el resultado de la siguiente operación de números con signo?
(-25) + (5) = ?
-5
+5
-20
-125
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cuál es el resultado de la siguiente operación de potencias?
(h8) (h4) = ?
h-4
h4
h12
h32
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el resultado de la siguiente división de potencias con la misma base?
0
25
125
625
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El auditorio cívico de una escuela cuenta con 75 asientos si se ocupo el 60% de ellas en un evento realizado, ¿Cuántos asientos quedaron sin ocupar?
45
48
30
23
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