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Ch. R - Review of Basic Concepts
Lial - College Algebra 13th Edition
Lial13th EditionCollege AlgebraISBN: 9780136881063당신이 사용하는 게 아니라요?교과서 변경
1장, 문제 96

Add or subtract as indicated. 46.88 - 13.45

검증된 단계별 안내
1
Identify the operation to perform, which is subtraction: \(46.88 - 13.45\).
Align the numbers by their decimal points to ensure correct subtraction of corresponding place values.
Subtract the digits starting from the rightmost decimal place (hundredths place), moving left through the tenths, units, and tens places.
If necessary, borrow from the next left digit when the top digit is smaller than the bottom digit in any place value.
Write down the result of the subtraction, keeping the decimal point aligned in the answer.

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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Decimal Subtraction

Decimal subtraction involves subtracting numbers that have digits to the right of the decimal point. It requires aligning the decimal points vertically to ensure digits in the same place value are subtracted correctly.
추천 영상:
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Adding & Subtracting Functions

Place Value Alignment

When performing operations with decimals, it is essential to line up the decimal points so that digits representing the same place values (ones, tenths, hundredths, etc.) are in the same column. This prevents errors in calculation.
추천 영상:
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Solving Systems of Equations - Elimination

Basic Arithmetic Operations

Understanding how to perform basic arithmetic operations like subtraction is fundamental. This includes borrowing when the top digit is smaller than the bottom digit in a given place value, ensuring accurate results.
추천 영상:
6:40
Arithmetic Sequences - Recursive Formula