HELP ME OR DIE
K
Khách
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help me or die pls
26 tháng 8 2021
a) Ta có: khi khóa K mở:
hai điện trở R1 nối tiếp nên : Rtổng thể= 2R1=2.3750=7500\(\Omega\)
=> I = \(\dfrac{U}{R}=\dfrac{7,5}{7500}=0,001A\)
SV
Sinh Viên NEU
CTVVIP
9 tháng 1
1, I can’t help __looking___(look) at these new products.
2) It usually takes me half an hour _to go___( go ) to school by bus.
3) Would you mind __opening__ ( open ) the door ?
4) You should give up __smoking__ ( smoke ) or you will die of cancer.
5, We regret _to inform___ ( inform ) you that we cannot approve your .
6) I did not know how __to operate__ (operate ) that machine.
7) I do not have enough money __to buy__ ( buy ) this dictionary.
9 tháng 1
1)looking.
2)to go.
3)opening
4)smoking
5)informing
6)to operate
7)to buy
8)study
14)jogging
15)helping
16)to study
17)working
18)doing
19)going
24 tháng 8 2021
5 tạ 9 yến= .........kg
5 tạ 9 yến= .....590....kg
nha bạn chúc bạn học tốt nha
=)))))))))))))))))))))))))))))))))))
2 tháng 5 2019
Dan was a newcomer, and so was Jim. (BOTH)
- Dan and Jim were both newcomers.
the trees will die if you do not water them everyday.(SHOULD)
- You should water the trees everyday.
3 tháng 5 2019
cô mình bảo:
câu 2: Should you water the trees everyday
đây là câu đảo ngữ
khó quá^^
13 tháng 1 2018
1. Water _______ in the lake has made the fish die.
A. pollution B. pollute C. polluted D. polluting
2. Water pollution is the ______ in the lake has made the fish die.
A. contaminating C. contaminated
B. contaminate D. contamination
Chúc bạn học tốt!
1.
\(A=\sqrt[3]{6\sqrt{3}+10}-\sqrt[3]{6\sqrt{3}-10}\)
\(=\sqrt[3]{\left(\sqrt{3}+1\right)^3}-\sqrt[3]{\left(\sqrt{3}-1\right)^3}\)
\(=\sqrt{3}+1-\sqrt{3}+1=2\)
2.
\(B=\sqrt{3+\sqrt{3}+\sqrt[3]{6\sqrt{3}+10}}\)
\(=\sqrt{3+\sqrt{3}+\sqrt[3]{\left(\sqrt{3}+1\right)^3}}\)
\(=\sqrt{3+\sqrt{3}+\sqrt{3}+1}\)
\(=\sqrt{4+2\sqrt{3}}\)
\(=\sqrt{\left(\sqrt{3}+1\right)^2}=\sqrt{3}+1\)