Giúp e vs ah
K
Khách
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11 tháng 4 2023
b: Sửa đề: AO vuông góc BI
Gọi M là trung điểm của IC
Xét ΔIHC có IO/IH=IM/IC
nên OM//HC và OM=1/2HC
=>OM vuông góc AH
Xet ΔAHM có
MO,HI là đường cao
MO cắt HI tại O
=>O là trực tâm
=>AO vuông góc HM
=>AO vuông góc BI
DT
Đỗ Thanh Hải
CTVVIP
14 tháng 7 2021
IV
1 do
2 to be
3 was waiting
4 went - wouldn't be
5 were
6 smoking
7 is always leaving
8 to study
9 haven't spoken
10 arrive
V
1 wealthy
2 imagination
3 literately
4 phýical
5 observation
6 Married
7 behavior
8 incredible
9 seniority
10 unbelievable
14 tháng 7 2021
IV
1 do
2 to be
3 was waiting
4 went - wouldn't be
5 were
6 smoking
7 is always leaving
8 to study
9 haven't spoken
10 arrive
V
1 wealthy
2 imagination
3 literately
4 physical
5 observation
6 Married
7 behavior
8 incredible
9 seniority
10 unbelievable
KY
14 tháng 7 2021
I wish the council wasn't demolishing it
If I were good at English, I could become a tour guide
"I will hold an event about skin care next month" Mary said
She was given the book " The fault in our stars " as a birthday gift by him
He wishes he could come to his brother's wedding
He advised me not to longer spend most of time chatting on Facebook.
How long did you start searching for some facts in the past ?
My mother used to for me when I married my wife
She was so frightened that she lost control of her car.
It was such a delicious dessert that I decided to order portion
Because of my sickness, I don't go out
1 have been built
2 had been damaged
3 go
4 to get
5 is expected
6 was discovered
7 would see
8 would buy
9 will be travelling
10 sitting
12 not to tease
13 to take
14 haven't contacted - went
15 arrived - had already left
16 took
17 will pass
18 was watching - came
19 breaking
13 struck
V
1 to use => to using
2 eating => to eat
3 more healthy=> healthier
4 doesn't => doesn
5 aren't => isn't
6 go => going
7 how many => how much
8 improve => be improved
VI
1 If you hadn't been drunk last night, you wouldn't have got up late
2 If I brought an umbrella, I wouldn't have got wet
3 If you don't take a raincoat, you will be wet
4 If I weren't afraid of water, I could swim