| Category | Format | Size |
|---|---|---|
| Western Normal University Edition Fifth Grade Mathematics Volume 2 | pptx | 6 MB |
"Mixed Calculation of Fraction Addition and Subtraction" Fraction Addition and Subtraction PPT Courseware
Description
"Mixed Calculation of Fraction Addition and Subtraction" Fraction Addition and Subtraction PPT Courseware
What is the order of operations for mixed operations of integer addition and subtraction?
1. In a calculation without parentheses, if it only contains addition, subtraction or only multiplication or division, it must be calculated from left to right.
For example: 48÷6×5=40 82+8-40=50
2. In a calculation without parentheses, if it contains addition and subtraction as well as multiplication and division, the multiplication and division should be calculated first, and then the addition and subtraction, that is, "multiplication and division first, then addition and subtraction."
3． When there are parentheses in a calculation, the calculation inside the parentheses must be done first.
For example: 90÷(27+3)=90÷30=3
How to convert mixed numbers into improper fractions:
Divide the denominator by the numerator, use the integer quotient as the integer part of the mixed fraction, the remainder as the numerator of the mixed fraction, and the original denominator as the denominator of the mixed fraction.
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"Mixed Calculation of Fraction Addition and Subtraction" Fraction Addition and Subtraction PPT Courseware 2:
"Mixed Calculation of Fraction Addition and Subtraction" Fraction Addition and Subtraction PPT Courseware 2 Do you know? The order of operations for mixed operations of addition and subtraction of fractions is the same as that of mixed operations of addition and subtraction of integers. Can you tell me the order of mixed operations of adding and subtracting fractions? (1) Mixed addition and subtraction of fractions..
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Update Time: 2024-07-04
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