Math Problem Statement

tính bằng cách hợp lý 42×53+47×156−47×114

Solution

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Math Problem Analysis

Mathematical Concepts

Arithmetic
Distributive Property
Simplification

Formulas

Distributive property: a(b + c) = ab + ac
Basic multiplication

Theorems

Distributive Property of Multiplication over Addition

Suitable Grade Level

Grades 6-8