Mong mn giải giúp
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NN
7
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NL
3
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R
0
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![](https://rs.olm.vn/images/avt/0.png?1311)
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9 tháng 8 2023
a//c
=>góc O1=góc A(hai góc so le trong)
=>góc O1=30 độ
c//b
=>góc O2+góc B=180 độ(trong cùng phía)
=>góc O2=180-120=60 độ
góc AOB=góc O1+góc O2
=30+60=90 độ
HY
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YN
2 tháng 3 2022
1 The distance from my home to school is about 3 km
2 My mum used to live in a small village when she was small
3 Despite being a millionaire , he lives in a small flat
4 when does the festive take place ?
5 It is about two kilometres from my home to school
6 he didn't use to ride his bike to school
7 Despite having a test tomrrow , they are still watching TV now
![](https://rs.olm.vn/images/avt/0.png?1311)
5 tháng 5 2022
6,54 x 5,8 = \(\dfrac{9483}{250}\) = 37,932
220,32 : 6,8 = \(\dfrac{162}{5}\) = 32,4
a:
Lí: =sum(d5:f5)
Tin: =sum(d6:f6)
Lí: =sum(d5:f5) Tin: =sum(d6:f6