De som van de eerste 11 termen
van de rekenkundige rij , , , , ... is |
A. 11 |
---|---|
B. 22 | |
C. 55 | |
D. 66 | |
E. 77 |
[ 4-4382 - op net sinds 16.5.14-(E)-27.10.2023 ]
What is the sum of the firts eleven terms of the arithmetic sequence , , , , ... |
A. 11 |
---|---|
B. 22 | |
C. 55 | |
D. 66 | |
E. 77 |