cho tôi hỏi :
1;2;3;5;8;...;..
cho biết số thứ 7 là số bao nhiêu trong dãy số trên ?
K
Khách
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
Những câu hỏi liên quan
20 tháng 5 2021
dạ chào oog cháu xin trả lời 1+1=....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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20 tháng 5 2021
1 + 1 = 2
Nội qui tham gia "Giúp tôi giải toán"
1. Không đưa câu hỏi linh tinh lên diễn đàn, chỉ đưa các bài mà mình không giải được hoặc các câu hỏi hay lên diễn đàn;
2. Không trả lời linh tinh, không phù hợp với nội dung câu hỏi trên diễn đàn.
3. Không "Đúng" vào các câu trả lời linh tinh nhằm gian lận điểm hỏi đáp.
Các bạn vi phạm 3 điều trên sẽ bị giáo viên của Online Math trừ hết điểm hỏi đáp, có thể bị khóa tài khoản hoặc bị cấm vĩnh viễn không đăng nhập vào trang web.
LC
17 tháng 5 2016
gọi x là số tiền của tôi lúc đầu
y là số tiền của bạn lúc đầu
ta có: x+1000=2(y-1000) => x=2y-3000(1)
x-1000=y+1000=>x=y+2000(2)
từ (1)(2)=>2y-3000=y+2000=>y-3000=2000=>y=5000
vậy số tiền của bạn lúc đầu là 5000
số tiền của tôi lúc đầu là x=5000+2000=7000
HT
7 tháng 10 2016
1/5 so keo toi co la:
20: 5 = 4 ( cay )
=> ban co 4 cay keo
toi con lai so keo la:
20 - 4 = 16 ( cay)
dap so: 16 cay
T.......I.......C......K NHA!!!! >_<
ND
2 tháng 1 2022
lần 1: bn cắt đôi chiếc bánh
lần 2: bạn cắt một đường thẳng vuông góc mới đường cắt ban đầu
lần 3: xếp chồng 4 miếng bánh lên nhau rồi cắt thành 8 miếng
hí bn
15 tháng 6 2017
Đúng, sao cậu biết chuyện này mà Sasuke còn chưa biết nữa là.
6 tháng 10 2016
toi cho em so quyen co la
2000 nhan 1/2 = 1000
toi con so quyen vo la
2000- 1000 = 1000
tk minh nha
6 tháng 10 2016
lấy số quyển vở tới cho em :2000 /2*1=1000(quyển)
số quyển vỡ còn lại là :2000-1000=1000 (quyển)
so thu 7 la 21
tck nha bn
quy luật
cứ 2 số liên tiếp cộng lại dc số thứ 3
ta có 2 số tiếp theo là 5+8=13
8+13=21
vậy số cần tìm là 21