(people's Education Press) fifth grade volume 1 error prone problems in Mathematics

The types of floor tiles are not uniform
Xiaowei's living room covers an area of 25 square meters, with floor tiles of 60 cm in length. How many floor tiles do you need at least? If each floor tile costs 15 yuan, how much do you need to buy these floor tiles?

It costs 2250 yuan for a new refrigerator, 1350 yuan for a washing machine and 1620 yuan for a TV. How much cheaper is the washing machine than the TV?

（1620－1350）÷1620＝16.7％

There are some meat in the refrigerator

There have some mean in the refrigerator

There is some meat in the refrigerator

there's some meat in the fridge

English translation
B
Tom didn't live too far from school .So he went there and back on foot every day.On his way to school he passed a wet playground when it rained.One day the boy came home very wet.His mother became angry and said,“Don't play in the water on your way home or to school.”
The next day he came home very wet again.His mother became even angrier."I'll tell your
father if you come home wet again."she said ,"Then he'll punish you.”
The next day the young boy was dry when he came home from school."you were a good boy today,"his mother sida,"You didn't play in the water.""No,"he answered sadly ,"There were so many older boys in the water when I got there this afternoon that there wasn't any room for me at all."
C
A man had to go to court ,and he asked his lawyer which judge would be hearing his case.His lawyer told him and then said,"Do you know him?"
The man answered,"No,but I want to know his name so that I can send him a dozen bottles of good wine."
The lawyer was terribly shocked and said,"you can't to do that .You would be sure to lose the case."
Some weeks later the case was heard,and the man won it .As he was leaving the court,he said to his lawyer,"My present to the judge was quite successful,wasn't it?" The lawyer was even more shocked than before ,and said,"what?Did you really send him that wine after I warned you?"
"Yes ,certainly,"answered the man."But I put my opponent's name on the card which I sent with the wine"
D
One day a few years ago a very funny thing happened to a neighbor of mine.He is a teacher at one of London's big medical schools.He had finished his teaching for the summer term and was at the airport on his way to Russia to gaive a lecture.
He had put a few clothes and his lecture notes in his shoulder bag,but he had put Rupert,the skeleton to be used in his lecture,in a large brown suitcase .At the airport desk,he suddenly thought that he had forgotten to buy a newspaper.He left his suitcase near the desk and went over to the shop.
When he got back he discovered that someone had taken his suitcase by mistake .He often wonders what they said when they got home and found Rupert.

A. Tom lives not far from school, so he walks to and from school every day. On his way to school, he will pass a very muddy playground when it rains. One day, Tom came home wet, his mother said angrily: don't play in the water on the way home or to school! The next day, he went home wet again

There is no meat in our refrigerator

There is no meat in the fridge.
We have no meat in the fridge.
we are short of the meat in the fiidge.

English translation
Compact refrigerator freezer automatic defense with top freezer, top mount freezer without through the door ice

Top Mount Freezer without through-the-door ice
Top mount freezer means that the freezing layer is on the top of the refrigerator
Compact Refrigerator-Freezer-automatic defrost with top freezer
A small refrigerator, with the freezing layer on top

There are 25000 yuan to buy 2000 yuan color TV sets and 1800 yuan refrigerators, and all of them are planned to be used up. How many color TV sets and refrigerators were originally planned to buy (detailed process)

If we planned to buy x color TV sets and Y refrigerators, then
2000x+1800y=25000
Simplify
10x+9y=125
∵ it's all used up,
X and y are positive integers,
∴x=8, y=5
A: originally planned to buy 8 color TV sets and 5 refrigerators

Simple calculation of 57 * 62

50 * 62 + 7 * 62 = 3100 + 434 = 3534 the key is to calculate the whole number first and then the others

Simple calculation of 12.57 + 5.62 + 5.23

12.57+5.23+5.62

(people's Education Press) fifth grade volume 1 error prone problems in Mathematics