Math Problem Statement

1,15:tính bằng cách hợp lý (1+2+3+4+5+6+.......+1000)(108x111-36x333)

Solution

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Math Problem Analysis

Mathematical Concepts

Arithmetic Series
Multiplication
Subtraction

Formulas

Sum of an arithmetic series: S = n(a1 + an) / 2
Multiplication formula
Subtraction formula

Theorems

Arithmetic series sum formula

Suitable Grade Level

Grades 8-10