49.(3022+3021)-3022.49+(100-49).3021
K
Khách
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
Những câu hỏi liên quan
ND
0
DQ
1
16 tháng 11 2021
\(Q=\left(x+y\right)\left(x-2021\right)\\ Q=\left(3021-1994\right)\left(3021-2021\right)=1027\cdot1000=1027000\)
NB
0
PT
1
CM
29 tháng 5 2019
Số cần điền lớn hơn 3021 và nhỏ hơn 3026 nên số cần điền chỉ có thể là 3022;3023;3024;3025.
Số 3022 có tổng các chữ số là 7. Vì 7 không chia hết cho 99 nên 3022 không chia hết cho 99.
Số 3023 có tổng các chữ số là 8. Vì 8 không chia hết cho 9 nên 3023 không chia hết cho 99.
Số 3024 có tổng các chữ số là 9. Vì 9 chia hết cho 9 nên 3024 chia hết cho 9.
Số 3025 có tổng các chữ số là 10. Vì 10 không chia hết cho 9 nên 3025 không chia hết cho 9.
Vậy đáp án đúng điền vào ô trống là 3024.
5 tháng 10 2021
a) 1010 > 999
2361 < 3021
b) 60 phút = 1 giờ
982m < 1 km
WG
3
C
12 tháng 4 2021
Tham khảo!
In the future, I would like to live in a better world. First and for most, there will be no homeless people, no poverty and social vices. All people will have jobs and income to live on their own. As a result, the rate of unemployment will decrease. Secondly, people in the world will live in peace, no war, no violence and inequality. All nations will join hands to build a whole new world. Furthermore, the world’s citizens will utilize environment friendly equipment. Instead of burning fossil fuels for energy, people use alternatives like wind and solar power. Electric vehicle will replace nowadays vehicle to reduce air pollution, electricity will be generated by wind, solar panels or wave without damaging the environment. Besides, modern systems of public transport run by electricity will be developed to stop congestions and with higher speed,they can help people to commute faster and attract them to use more. And last but not least, I’d like my world to be friendly to nature. More trees and flowers will be grown everywhere, deforestations will disappear and the endangered species will be protected thoroughly. Although my wanted world seems to be difficult to achieve, but I believe that when we join hands and make efforts, nothing is impossible
AL
12 tháng 4 2021
Em thao khảo nhé
Technology has been progressing at a great rate over the past few decades. I think that in a few centuries, the world will be very different.
Perhaps, in the year 3021, the world will be entirely computerized. Every household will have a mainframe which linked to all other systems. Adults don't have to go to work and children need not to go to school as everything can be done at home. Probably, by then, humans will not even have to take food in the form of meat, vegetables and rice to survice. Tablets containing the ideal proportion of the essential nutrients will be enough for us.
Robots could become so cheap that every household could afford a few of them. Life will be easy and comfortable will all the household chores being done by the robots. Visiting relatives during New Year will not be nessary any more. All that the Vietnamese need to do is switch on the mainframe and exchange greetings through the big screen. Children could still get their "ang pows", but not directly. The money will be credited to their bank accounts using the mainframe.
I think in the year 3021, people will use energy from nature like solar energy, wind, hydrogen instead of coal and oil. All these changes are just my own idea of what life in the future could be like.
I wonder if they will come true.
giúp em với ạ
49.(3022 + 3021) - 3022.49 + (100 - 49).3021
= 49.3022 + 49.3021 - 3022.49 + 100.3021 - 49.3021
= (49.3022 - 49.3022) + (49.3021 - 49.3021) + 100.3021
= 0 + 0 + 100.3021
= 302100