\(A= \) 25%-\(1\dfrac{1}{2}\)+0,5.2\(\dfrac{2}{5} \)

= \(\dfrac{1}{4}-\dfrac{3}{2}+\dfrac{1}{2}.\dfrac{12}{5}\)

\(= \dfrac{1}{4}-\dfrac{3}{2}+\dfrac{6}{5}\)

\(= \dfrac{-1}{20}\)

Mark the letter A, B, C or D to indicate the word that differs from the other three in the position

1.A. climate B. comprise C. notice D. casual

2.A. edition B. deposit C. separate D. collection

3.A. benefit B. commercial C. encourage D. embroider

Tìm lỗi sai và sửa lại cho đúng :

1. The dirt on vegetables can cause you sick .

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2. Scientists say that the life started in the ocean .

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3. He gave up to smoke 2 years ago.

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4. He is a fast runner. He runs fastly.

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5. Can I lend your pencil? I'm sorry. I'm using it.

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6. You should keep silently when they are working.

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7. How many times in a day do you brush your teeth ?

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8. Long is worried because he has see the dentist.

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