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Arithmetic Sequences
medium
0:00.0
Sum the first 2 terms of
1
,
1.5
,
2
,
…
1, 1.5, 2, \dots
1
,
1.5
,
2
,
…
.
A
2.5
2.5
2.5
B
2.0
2.0
2.0
C
3.0
3.0
3.0
D
1.5
1.5
1.5
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