Bạn tham khảo nhé.
`\sqrt{x-2}=\sqrt{3}(x>=2)`
`=>x-2=3`
`<=>x=5(\text{Thỏa mãn})`
Vậy `x=5`
`ĐKXĐ: x>=2`
`\sqrt{x-2}=\sqrt{3}`
`<=>x-2=3`
`<=>x=5(TM)`
Choose the best answer.
I think you should buy _____ pack of mineral water instead. And you can also buy _____ snacks such as potato crisps, 3 kilos of mandarins, 2 kilos of apples, 3 bunches of bananas, ______ cookies and soft candies.
We should decorate our living room with _____ orange banner. We also need ________ ribbons, balloons, party hats and costume.
I think that ______ cauliflower is not enough for 3 people. Let’s buy one more.