nhờ mn giúp mình bài này với ạ!
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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
Chiều cao tam giác đó là :
\(0,8\times\dfrac{7}{4}=1,4\) (cm)
Diện tích tam giác là :
\(\dfrac{1}{2}\times0,8\times1,4=0,56\left(cm^2\right)\)
Chiều cao của tam giác:
0,8 × 7/4 = 1,4 (cm)
Diện tích tam giác:
0,8 × 1,4 : 2 = 0,56 (cm²)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
1 is => are
6 A flower is being picked by Lan
7 Car are repaired by the workman everyday
8 everyday cuối câu
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
my favourite food is pizza
my favourite drink is Water
i often have noodle for my breakfast
i often have rice , fish , soup , chicken for my lunch
i often rice , meat , soup for my dinner
1. My favourite food is pizza.
2. My favourite drink is water.
3. I often have noodle for my breakfast.
4. I often have rice, fish, soup, chicken for my lunch.
5. I often rice, meat,soup for my dinner.
a,10/17=2x5/1x17=2/1x5/17=2/17x5/1
b,9/23=3x3/1x23=3x1/3x23
c,10/29=2x5/1x29=2/1x5/29=2/29x5/1
d,4/11=2x2/1x11=2/1x2/11