1,25
k mk nha chắc chắn đúng
câu trả lời
207
ai k mình k lại gấp 2 ko hề giả
giố
1. My grandfather never (fly) __________ in an airplane, and he has no intention of ever doing so.
2.We just (decide) __________ that we (undertake) ____________ the job.
3.Right now I (attend) __________ class. Yesterday at this time I (attend) __________class.
4.Tomorrow I'm going to leave for home. When I (arrive) __________at the airport, Mary (wait) __________ for me.
5.Margaret was born in 1950. By last year, she (live) __________on this earth for 55 years
6.The traffic was very heavy. By the time I (get) __________to Mary's party, everyone already (arrive) __________
Giải thích luôn nha m.n
@Hồ Bảo Trâm
Cho a, b, c là các số không âm thoả :
\(\sqrt{a}+\sqrt{b}+\sqrt{c}=\sqrt{3}\) và \(\sqrt{\left(a+2b\right)\left(a+2c\right)}+\sqrt{\left(b+2a\right)\left(b+2c\right)}+\sqrt{\left(c+2b\right)\left(c+2a\right)}=3\)
Tính giá trị biểu thức \(P=\left(2\sqrt{a}+3\sqrt{b}-4\sqrt{c}\right)^2\)