1, it is necessary to clarify the principle of the unit formula. In many application problems, there are one or more quantities as reference, and this quantity is unit one. The principle of unit one formula is to find out this reference quantity, and then use it as unit one, and then solve other quantities according to the proportion or multiple relationship given in the topic.
2. Read the questions carefully. Reading questions is the first step in finding a formula for your company. You must read the question carefully and understand its meaning. Determine the units in the topic. Determining the unit in the topic is the key to finding the unit formula. Generally speaking, the quantity in a topic has one or more units, such as number of people, time, quantity, etc.
3. Simplify the unit to a simple number. Simplifying the unit into a simple number is an important step to find the unit formula. Simplify the unit to 1 or 100 for easy calculation and understanding. Solve other quantities according to the proportion or multiple relationship in the topic. According to the proportion or multiple relationship given by the topic, the relationship between unit one and other quantities is expressed by simple numbers, and then other quantities are solved.
Related knowledge of digital application problems
1, the examination is the first step to solve the application problem, and you need to carefully examine the problem and understand the meaning of the problem. To analyze problems, it is necessary to clarify the known conditions and unknown quantities in the topic and the relationship between them. Search key sentences are some enlightening sentences given in the title stem. By searching for key sentences, we can find solutions faster.
2. Turn the actual problem into a mathematical model: turn the actual problem into a mathematical model, for example, turn the travel problem into distance = speed × time. Finding out the proportion or multiple relationship in the topic can be used as a clue to solve the problem.
3. Pay attention to the order and symbols of operation when calculating to avoid calculation errors. Verify that the answer meets the meaning of the question. Summarize your own problem-solving methods, find the correct rules, and improve the speed and quality of problem-solving. The application of numbers is an important problem in mathematics. Such problems need to be transformed into mathematical models and solved by using mathematical knowledge.