The answer to the third math problem on page 77 of the first volume of the fifth grade winter vacation is 12-(7+ 12) times 8 divided by 2 divided by 2 times 2 divided by 8 = 2.5cm to ensure correctness.
The third math problem on page 65 of the first volume of the sixth grade winter vacation is 1.2x3. 14 = 7.536 (m), which is about 7.5 (m).
This is absolutely correct, the teacher taught us.
Mathematical problems in the new space-time of winter vacation in grade six □=6/(3/4)=8
△=4/5/8= 1/ 10
=3/2/( 1/ 10)= 15
Winter vacation, new time and space, fifth grade, page 23, math interesting questions. I assume that chopping wood every day can earn x rubles; An equation can be listed: 10X-20=7X-5. The solution is: X=5, so the price of this book is 10X-20=30 rubles.
Is this the answer to the interesting math problem on page 23 of the new time and space in the fifth grade winter vacation? Lomonosov, a famous Russian mathematician, borrowed the book Principles of Mathematics from his neighbor. The neighbor said to him, "You help me chop wood 10 days. I'll give you the book and give you 20 rubles. " As a result, he only chopped firewood for seven days. After the neighbor gave him the book, he paid another 5 rubles. What is the price of the book Principles of Mathematics?
Let's chop firewood for a day, which is worth X rubles and the book value is Y rubles.
Available:
10x=y+20
7x=y+5
Calculation: x=5, y=30.
So the value of this book is 30 rubles.
The third question on page 77 of the fifth grade in the new time and space of winter vacation gives the content.
Otherwise, I don't know what the question is and I can't answer it.
In the new time and space of winter vacation, how to solve the second math problem on page 28 of the first volume of grade five? Type out the question.
I want to solve the math problem on page 28 of new time and space in winter vacation!
Nothing to do!
Winter vacation new time and space fifth grade mathematics 30 pages answer winter vacation new time and space is winter vacation homework? If I have just finished reading it, please answer. If so, I will give you the answer, won't I? It is wrong to give! Boss ~ ~