Math Problem Statement

Carilah jumlah deret 45 + 42 1/2 + 40 + ... (-27 1/2)

Solution

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Math Problem Analysis

Mathematical Concepts

Arithmetic Series
Sequences and Series

Formulas

Sum of an arithmetic series: S_n = (n/2) * (a + l)
General term of an arithmetic series: l = a + (n - 1) * d

Theorems

Arithmetic Progression Sum Formula

Suitable Grade Level

Grades 9-12