6 quyen

\(79\cdot54+54\cdot38-18\cdot3\)

\(=79\cdot54+54\cdot38-54\cdot1\)

\(=54\cdot\left(79+38-1\right)\)

\(=54\cdot116\)

\(=6264\)

Complete the sentenes in the corred.

1, Hoang/ be/ skikfful/ volleyball player.

-> Hoang is a skillful volleyball player.

2. You / ought / was / your hands / before meals.

-> You ought to wash your hands before meals.

3. My sister / not go / school / yesterday/ because she / be / sick.

-> My sister didn't go to school yesterday becausse she was sick.

4. Lan / not/ really / like / watch/ sports on TV.

-> Lan doesn't really like watching sports on TV.

5. Ba/ not/ like / watch / TV He/ prefer/ listen radio

-> Ba doesn't like watching TV. He prefers listening radio.

6. Chi / prefer / pop music/ classical music.

-> Chi prefers pop music to classical music.

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