Bạn tham khảo
`sqrt{x + 5} - 2 = 7`
`<=> sqrt{x + 5} = 9`
`<=> x + 5 = 9^2`
`<=> x + 5 = 81`
`<=> x= 76`
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.