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Sumas Notables

Authored by Walter Huamani

Mathematics

10th Grade

Used 13+ times

Sumas Notables
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Suma de los "n" primeros números positivos consecutivos:
1 + 2 + 3 + 4 + ... + n

n(n - 1) / 2
n(n + 1) / 2
n(n + 2) / 2
n^2 + n

2.

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

Calcule la suma de:
1 + 2 + 3 + 4 + ... + 47

1320

1110

1128

1250

3.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Suma de los "n" primero números pares positivos:
2 + 4 + 6 + 8 + ... + 2n

n(n + 1)
2n(n + 1)
n^2
n(n - 1)

4.

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

Calcula la suma de:
2 + 4 + 6 + 8 + ... + 86

1892

2012

1640

1920

5.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Suma de los "n" primeros números impares positivos:
1 + 3 + 5 + 7 + ... + (2n-1)

2n
n^2
n(n+1)/2
n

6.

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

Calcula la suma de:
1 + 3 + 5 + 7 + ... + 75

2000
500
1444
1000

7.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Suma de los "n" primeros cuadrados perfectos:

1²+ 2² + 3² + 4² + ... + n²

n(n + 1) / 2
n(n + 1)(2n + 1) / 6
n² + n + 1
(n + 1)² / 2

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