How to improve the ability of mathematical calculation There are serious problems in calculation. The calculation speed is very slow and easy to make mistakes. There is always a hint in my heart every time I take the exam. I know that the calculation is going to make mistakes. When I get a question, I will be confused even if I see a very simple exponential operation. It's easy to make mistakes in solving equations, and the plus and minus signs are often written wrong, Decimal division takes half a day. Am I useless? Alas, I'm not afraid of doing problems. I just think I'm too stupid. Sometimes I really think I'm not the material of mathematics. Alas, I'm really helpless and desperate. So I'd like to ask you for some specific methods, such as some accurate calculation skills. Thank you very much! There are physical and chemical quite a headache ah, the exam always want to come over!

How to improve the ability of mathematical calculation There are serious problems in calculation. The calculation speed is very slow and easy to make mistakes. There is always a hint in my heart every time I take the exam. I know that the calculation is going to make mistakes. When I get a question, I will be confused even if I see a very simple exponential operation. It's easy to make mistakes in solving equations, and the plus and minus signs are often written wrong, Decimal division takes half a day. Am I useless? Alas, I'm not afraid of doing problems. I just think I'm too stupid. Sometimes I really think I'm not the material of mathematics. Alas, I'm really helpless and desperate. So I'd like to ask you for some specific methods, such as some accurate calculation skills. Thank you very much! There are physical and chemical quite a headache ah, the exam always want to come over!

I feel that mathematics is to practice more, think more, for you may have two kinds of situation. ① you usually press the heart to do the question or very good, the correct rate is quite high, do it quite fast. Then this belongs to the examination mentality. Must adjust, but, I think usually do not wrong, should have the right mind

Mathematical calculation problem, please help me to answer in the way of public calculation, thank you
The company has 61 employees and 34 party members. It plans to develop a new group of Party members. Based on the total number of Party members in the company, the net increase in the number of Party members is not more than 1.5%. How many new party members can be developed?

34 (number of existing party members) * 1.5% (net growth rate) = 0.51, one at most

How about square meters

Long by wide by high