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Những câu hỏi liên quan
28 tháng 6 2023
a: =3/2-2/3:(4/18+3/18)
=3/2-2/3:7/18
=3/2-2/3*18/7
=3/2-12/7
=-3/14
b: =(5/8-1/5)*2-1/4
=5/4-2/5-1/4
=1-2/5=3/5
c: =(3+5/6-1/2):55/12
=10/3*12/55
=8/11
TN
2
9 tháng 8 2021
1, What would he like to have for breakfast?
He would like to have a sandwich
2,Who would you like to go fishing with?
I would like to go fishing with my father
3,What would her children like to do in the summer?
They would like to go swimming
4,When would Mrs Tam like to go shopping?
She would like to go shopping at weekends
5,Where would Hung and Tung like to study
They would like to study in the library
DT
Đỗ Thanh Hải
CTVVIP
9 tháng 8 2021
1 What would he like for breakfast?
He'd like a sandwich
2 Who would you like to go fishing with?
I would like to go with my father
3 What would her children like to do in summer?
They would like to swim inpool
4 When would Mrs Tam like to go shopping?
She would like to go shopping on the weekends
5 Where would Tung and Hung like to study ?
THey would like to study in the school library
DT
2
20 tháng 1 2021
60 độ. Mình tính theo công thức:360anpha−1360anpha−1
Mà chỉ là công thức nhanh thôi.
TN
2
30 tháng 7 2023
a: AN+CN=AC
=>AN=20-15=5cm
Xét ΔABC có AM/AB=AN/AC
nên MN//BC
b: Xét ΔAMN và ΔNPC có
góc AMN=góc NPC(=góc B)
góc ANM=góc NCP)
=>ΔAMN đồng dạng với ΔNPC
13 tháng 11 2021
\(A=-\left(x^2-4x+4\right)-\left(y^2+4y+4\right)+10\\ A=-\left(x-2\right)^2-\left(y+2\right)^2+10\le10\\ A_{max}=10\Leftrightarrow\left\{{}\begin{matrix}x=2\\y=-2\end{matrix}\right.\)
ND
3
NT
Nguyễn Thị Thương Hoài
Giáo viên
VIP
3 tháng 3 2023
em ơi chưa có bài em nhé, em chưa tải bài lên lám sao mình giúp được
DT
Đỗ Thanh Hải
CTVVIP
8 tháng 9 2021
37 have just been finished
38 seen my sister for 3 weeks
39 snow, all flights wouldn't be cancelled
40 I can't swim, I don't go scuba diving with Terry