CMR a, a ³+b ³ =(a+b) ³-3ab*(a+b) b, a ³-b ³=(a-b) ³+3ab*(a-b)

A. suppy the correct form of the verbs in paentheses: 1. they (introduce) a new video game next month. 2. I often (listen) to music before (go) to bed. 3.Lan is very hungry now because she (not eat) enough this morning. 4. Why don't we (go) to the canteen ? 5. At present, we (rehearse) a play. Nam (play) the flute. 6. We (see) a movie tomorrow. You (join) us ? 7. The River Nile (rise) in Central Afical. 8. John often (stay) in a hotel when he (come) to town, but tonight he (stay) with us. 9.It takes us about two hours (clim) to the top of the mountain. 10. Architects (make) the plans of buildings. 11.Listen ! Someone (knock) at the door. 12. The children must (be) back by six o'clock. 13. Wood (float) on water, but iron (not float). 14.Columbus (discover) America more than 400 years ago. 15.My father (play) roller-skating when he (be) a child. 16.We prefer (gather) around TV after dinner. 17.I (be) twenty-five next August. 18. Thanks for (bring) it for me.

chứng tỏ rằng b.25^25-25^24 chia hết cho 24 c.(7^6+7^5-7^4) chia hết cho 11

Đồng sunfat+NatriNitrat `=>`Nêu hiện tượng, viết pthh

Vẽ hình một chàng trai đang khóc dưới mưa. Vẽ bằng app nha. Đẹp vào đó.

Gọi s là tập hợpbcasc giá trị.....

1."how many languages can you speak" he asked me 2."what kinds of books do you like reading" he asked hoa 3."does your mother watch tv every day" hoa asked mai 4."did he watch tv last night " he asked me 5."are you playing soccer now?"nam asked his brother 6."will you visit ha noi to morrow" he asked

Vẽ anime nam nữ đg cầm tay nhau (chibi cx đc) 20đ thôy tvm ít điểm lém

| x + 34| + 6 = 50 ............................

Trong các hàm số sau hàm số nào là hàm số lũy thừa