The Application of Fractional Division (1)
First of all, fill in carefully:
"The weight of a barrel of oil is 6 kg", () is regarded as the unit "1", ()× = (? )
"Boys account for the whole class", with () as the unit "1", ()× = (? )
"Duck equals chicken" takes () as the unit "1", ()× = (? )
45 is (), tons are () tons, and () is square meters?
Second, solve the problem:
1. There are 20 boys and girls in the art class. How many girls are there?
2. Iron block A weighs tons, which is equivalent to iron block B..B How many tons does iron block weigh?
Xiaoming's phone bill in September is 24 yuan, which is equivalent to that in August. How much is the phone bill in August?
4. A story book is 162 pages. JASON ZHANG read it today. Which page will he start reading tomorrow?
5. Car A traveled from A to B 120km, which is equivalent to the whole journey. How many kilometers are the two places apart?
6.60 1 class has more boys and 30 girls. How many people are there in the class?
32, fractional division application problem (2)
First of all, fill in carefully:
"The weight of a barrel of oil is 6 kg", () is regarded as the unit "1", ()× = (? )
"Boys account for the whole class", with () as the unit "1", ()× = (? )
"Duck equals chicken" takes () as the unit "1", ()× = (? )
45 is (), tons are () tons, and () is square meters?
Second, solve the problem:
1. There are 20 boys and girls in the art class. How many girls are there?
2. Iron block A weighs tons, which is equivalent to iron block B..B How many tons does iron block weigh?
Xiaoming's phone bill in September is 24 yuan, which is equivalent to that in August. How much is the phone bill in August?
4. A story book is 162 pages. JASON ZHANG read it today. Which page will he start reading tomorrow?
5. Car A traveled from A to B 120km, which is equivalent to the whole journey. How many kilometers are the two places apart?
6.60 1 class has more boys and 30 girls. How many people are there in the class?
The content is as follows:
1. Mathematical terms. The number representing the fraction of a unit.
2. Evaluation results or scores when winning or losing.
Gan Tiesheng's Modern Teahouse: "We test scores and abilities."
3. The prescribed number of people, posts. Refers to the organization of the army.
"Sun Tzu's Psalms": "Governing the public is like a widow, and the score is also." Li zhi's note: "points, that is, the points of favoritism;" The number of tens of millions has its own control, and the general always has his procedures. " Huainanzi Ben Jing Xun: "Count the number of people and make scores. Build a city and dig a pool, and set up mechanical obstacles to prepare. " "Book of Jin, Biography of Xiaoyou, Yu Zhou": "The division is clear, but the order is different."