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Beijing Normal University Edition Eighth Grade Mathematics Volume 1
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Category | Format | Size |
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Jiangsu Education Edition Sixth Grade Mathematics Volume 1 | pptx | 6 MB |
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"The Meaning of Comparison" Understanding Comparison PPT Courseware
2 to 3 is recorded as 2:3; 3 to 2 is recorded as 3:2.
"∶" is a ratio sign. The number before the ratio sign is called the antecedent term of the ratio, and the number after the ratio sign is called the consequent term of the ratio.
Consider 1 part of the detergent in each solution and how many parts of water can be considered?
How else can one express the relationship between the volumes of detergent and water in each solution?
give it a try
1:8 1:4 1:3 1:1 means that the detergent in each solution is regarded as 1 part, and the water can be regarded as 8 parts, 4 parts, 3 parts, and 1 part respectively.
Speed = distance ÷ time. Ratio can also be used to express the relationship between distance and time.
The ratio of distance traveled by Xiaojun to time is 900:15;
The ratio of distance traveled by Xiaowei to time is 900:20.
Think about it, what do the antecedent term, the consequent term, and the ratio of a ratio correspond to in a division equation or a fraction? Can the consequent term of the ratio be 0?
⒈ The ratio of the colored part and the blank part is ( ), and the ratio is ( ).
The ratio of the blank part to the colored part is ( ), and the ratio is ( ).
⒉ Zhang Xiang bought 3 notebooks for 10.5 yuan. The ratio of the total price and quantity of notebooks is ( ), and the ratio is ( ).
⒊ 11÷6=( )∶( )=( )/( )
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For more information about the PPT courseware "Understanding the Meaning of Bibi", please click the "Understanding the Meaning of Bibi ppt" ppt tag.
"The Meaning of Ratio" Ratio and Proportional Distribution PPT Courseware 3:
"The Meaning of Ratio" Ratio and Proportional Distribution PPT Courseware 3 As can be seen from the above example: The division of two numbers is also called the ratio of two numbers. 5 to 4 is recorded as 5:4. 240 to 5 is recorded as 240:5. ∶ is the ratio sign, pronounced as ratio. The number before the ratio sign is called the preceding term of the ratio. The number after the ratio sign...
"The Meaning of Ratio" Ratio and Proportional Distribution PPT Courseware 2:
"The Meaning of Ratio" Ratio and Proportional Distribution PPT Courseware 2 The division of two numbers is also called the ratio of two numbers. Self-study outline: 1. How to read and write ratio. 2. What are the names of each part of the ratio? 3. How to find the ratio of a ratio? 4. How can the ratio be expressed? ..
"The Meaning of Ratio" Ratio and Proportional Distribution PPT Courseware:
"The Meaning of Ratio" Ratio and Proportional Distribution PPT Courseware Do you still remember the difference and connection between fractions and division? The dividend is the numerator of the fraction, and the divisor is the denominator of the fraction. Dividend and divisor = dividend/divisor ab=a/b (b0) 1510 and 1015..
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Update Time: 2024-09-08
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