giúp mk bài 3 vs bài 6 vs mn ơi mk cần gấp

a) 0,5 + 1/3 + 0,4 + 5/7 +1/6 - 4/35 b) 8/9 +1/72 - 1/56 - 1/42 - 1/30 -1/20 - 1/12 - 1/6 - 1/2

E đang cần gấp ạ, ai làm giúp e với

Exercise 39: Supply the correct form or tense of the verbs in brackets 1. _____ the children (write)_____ a dictation at the moment? 2. Ba is very good at (fix)_____ things in the house. 3. We (have)_____ a test tomorrow morning. 4. Let’s (go)_____ somewhere for a drink! 5. We (not go)_____ to the cinema very often. 6. I’d like (have)_____ some eggs and bread for breakfast. 7. Lien (not visit)_____ the History museum tomorrow. 8. What about (meet)_____ at 7.00 in front of the park? 9. The rain (start)_____ a few minutes ago. The sky (be)_____ now. 10. I’dlike (invite)_____ you to my father’s birthday party.

Giúp mình 2 câu này với xong mình vote 5 sao + cảm ơn + ctlhn

Exercise 38: Supply the correct form or tense of the verbs in brackets 1. Marie Curie (receive)_____ the Nobel Price for Chemistry in 1911 2. My uncle (send)_____ me postcards every time he (go)_____ away. 3. Ba and Hoa would like (visit)_____ Hong Kong. 4. We can (enjoy)_____ traditional music. 5. She (learn)_____ to play the piano when she (be)_____ six. 6. He (pay)_____ for his own education at Cambrigde University and latter he (teach)_____ at this university. 7. When _____ Thomas Edison (die)_____? – In 1931. 8. I (remember)_____ he (be)_____ 42 when the People’s Army of Vietnam (win)_____ the battle in 1954. 9. When they (be)_____ young, they (leave)_____ their family and (go)_____ to Ho Chi Minh City. 10. He’s famous for (lead)_____ the People’s Army of Vietnam at Dien Bien Phu. Exercise 39: Supply the correct form or tense of the verbs in brackets 1. _____ the children (write)_____ a dictation at the moment? 2. Ba is very good at (fix)_____ things in the house. 3. We (have)_____ a test tomorrow morning. 4. Let’s (go)_____ somewhere for a drink! 5. We (not go)_____ to the cinema very often. 6. I’d like (have)_____ some eggs and bread for breakfast. 7. Lien (not visit)_____ the History museum tomorrow. 8. What about (meet)_____ at 7.00 in front of the park? 9. The rain (start)_____ a few minutes ago. The sky (be)_____ now. 10. I’dlike (invite)_____ you to my father’s birthday party.

giúy mình với ạ aaaaaaaaaaaaaaaaaaaaa

Một vật được ném thẳng đứng xuống đất từ độ cao h= 50m với tốc độ v và chạm đất với tốc độ V2= 100m/s. Nếu bỏ qua sức cản của không khí, hãy tính vận tốc v. Cho g = 10m/s2

Tìm x và y biết: x/y = 5/9 và 3x + 2y = 66 Nhờ mn làm giúp e vs ạ!

có chỗ này em không hiểu ạ tại sao `(x-4)^2` $\geq$ `2`` ⇔ |x-4|` $\geq$ $\sqrt{2}$ ạ?