Times study, report, study, weekly answer, grade six

20 14 On May 30th, an earthquake with a magnitude of 6. 1 occurred in Yingjiang, Yunnan. An armed police force quickly organized two rescues after receiving the disaster information. There are x people in the first squadron, and 30 people in the second squadron are less than 4/5 of the first squadron. How many people are there in the two squadrons?

Which teacher does the postgraduate entrance examination line follow?

The average score of the final math exam in Class Two, Grade Five in a primary school is 90, with a total score of four digits A96B. How many students are there in this class?

My weekend composition

Ask for answers in advanced mathematics! ! !

What does the letter of the number set in the first math class of senior one mean? For example, what are the letters of natural numbers and rational numbers? I forgot to bring my book and write all my

Can Zhejiang's discrete mathematics self-study pass?

Life cycle management of transmission lines?

47 Mathematical significance

All the formulas of mathematics in grades one to six (PEP) come on! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !

20 14 Mathematics Senior High School Entrance Examination in Wuxi, Jiangsu Province

Difficulties: How to determine the point M? Because the side lengths of the left right-angled triangle are 3,