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Những câu hỏi liên quan
HL
1
BD
7
4 tháng 10 2018
5x - 2x = 25 + 19
x ( 5 - 2 ) = 44
x . 3 = 44
x = 44 : 3
x = \(\frac{44}{3}\)
Vậy x = \(\frac{44}{3}\)
( don't k # EXOComingsoon )
NT
2
ND
2
27 tháng 10 2021
câu 12:
biết \(M_{H_2}=1.2=2\left(đvC\right)\)
vậy \(M_X=2.32=64\left(đvC\right)\)
ta có:
\(1X+2O=64\)
\(X+2.16=64\)
\(X+32=64\)
\(X=64-32=32\)
\(\Rightarrow X\) là lưu huỳnh, kí hiệu là \(S\)
DT
Đỗ Thanh Hải
CTVVIP
13 tháng 7 2021
Tham khảo đoạn này nhé
The Covid 19 translation is currently raging across the country. It has claimed many lives and pain of the people. So in the country we have opened the door to online learning for the better. I find that online learning gives me many opportunities that I have never seen before in major lectures, and learning online still helps me acquire the same quantitative knowledge as studying in school. Firstly, online learning helps me to grasp the lecture better, because the teacher will speak or record the Lecture via microphone and when listening to the lecture, the audio will be very clear and easy to hear. This is much more beneficial for listening to my sermons because the sermons are large and broad,. Secondly, in online lessons, besides the call called Zoom, teachers often record the lecture and post it on the school's intranet, so I can easily review the lecture anytime, anywhere. Furthermore I have: A comfortable study space. Flexible study time. Easy to store study materials. Although that is the case, there are a number of friends who have played and skipped school thanks to learning Zoom. That is really spoiled. We should advise you to study better. Protecting our planet is protecting ourselves