Cho $a,b,c>0$ Chứng minh rằng: $\frac{a^{2}}{b+c}+$ $\frac{b^{2}}{a+c}+$ $\frac{c^{2}}{a+b}-$ $\frac{a+b+c}{2}$ $\geq0$ CẦN GẤP!!!!!!!!!!!!!!!!! Bn nào cần thêm điểm thì nói mk. Lưu ý: nói xong rồi đợi mk tăng điểm rồi hãy làm (làm rồi ko sửa điểm đc đâu)

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.

Choose the best answer.

We should decorate our living room with _____ orange banner. We also need ________  ribbons, balloons, party hats and costume.

Choose the best answer.

I think that ______ cauliflower is not enough for 3 people. Let’s buy one more.