?
??????
Cấp bậc
Sắt đoàn
Điểm
35
Cảm ơn
7
Đã hỏi
Đã trả lời
Câu trả lời của bạn: 17:03 25/07/2022
S = 2 + 4 + 8 + 16 + 32 + 64 +128 +256 + 512
= (2+8)+(4+16)+(32+128)+(64+256)+512
=10+20+160+320+512
=510+512
=1022
Câu trả lời của bạn: 16:57 25/07/2022
(-7/6)^8.(7/-6)^4
=(-7/6)^8.(-7/6)^4
=(-7/6)^8+4
=(-7/6)^12
Câu trả lời của bạn: 16:33 25/07/2022
đầu khấc
Câu trả lời của bạn: 22:37 12/07/2022
13 : The last time we saw the film was 10 years ago.
=> We haven't seen the film for 10 years.
14 : it's two months since we last saw a movie.
=> We haven't seen a movie for two months.
15 : it's two months since he earned some money.
=> He hasn't earned some money for two months.
16 : I last drank champagne at my brother's wedding.
=> I haven't drunk since at my brother's wedding.