Theo đề, ta có:

Áp dụng tính chất của dãy tỉ số bằng nhau, ta được:

Do đó: a=8; b=12; c=15

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1. How many dogs are there in the garden?
2. How many books are there in the bag?
3. How many students are there in the classroom?
4. How many umbrellas are there under the desk?
5. How many tables are there in the room?

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lỗi rồi

V. Look and answer
1. Where is a television?
=> ..........................................
2. Where is the lamb?
=>..............The lamb is .on the table.....................
3. Is there a fridge in the kitchen?
=>....................Yes, it is................................
4. Are any chairs in the kitchen?
=>..............Yes, is it..................................
5. Where is the bath?
=>...............The bath is here......................
6. Are there any sofa in the bedroom?
=>.......................No, it isn't.......................................
7. How many chairs are there in the dining room?
=>..............................6 chairs in the dining room..........................................
8. Are there two windows in the dining room?
=>...........................Yes, there are................................................

HT