a: BH=3,6cm

xy=-11, x<y

x,y nguyên => \(\hept{\begin{cases}x=-11\\y=1\end{cases}}\)

Vậy (x;y)=(-11;1)

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schoolyard should be kept clean

When a tropical storm reaches 120 kilometers per hour, it is called a typhoon

Wearing uniforms encourages students to be proud of being students of their school

the weather was snowy, we couldn't go to work yesterday
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so slowly that his students get bored
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When a tropical storm reaches 120 kilometers per hour, it is called a typhoon

Wearing uniforms encourages students to be proud of being students of their school

the weather was snowy, we couldn't go to work yesterday
put the garbage into the dustbins, we will minimize pollution
so slowly that his students get bored
difficult to find a better solution

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1. B

2. C

3. C

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Tớ ko giúp đc)): _{^{cọu tự tra google đuy,chứ có google để làm j ((:?}}