số 7777777 gọi ma à
7777777 + 7777777 - 7777777 x 7777777 + 7777777
Cho A=7777777......7777777} 2005 chữ số 7. Hỏi A :9 dư bao nhiêu ?
7777777 ( bảy chữ số 7) +14n chia hết cho 9 ( n<30)
7777777+67674364876327+376274673264:4563526=?
7777777+67674364876327+376274673264:4563526=14611857.04373504
7777777 +14n chia hết cho 9 ( n<30)
2222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222224444444444444444444444444444465555555555555555555555555555555650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000999999999999999990000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000,/.../000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000-000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000098+++++++++6727287382382738777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777=
Mình mắc bệnh sợ ma, có phương pháp nào chữa bệnh này không, à cho mình hỏi ngôi nhà ma ờ Đà lạt có ma thiệt không zậy
thì bn cứ nghĩ là ma ko có thật trên đời, mà mk cũng ko biết nữa vì mk cũng sợ ma
cho tam giác abc có ac=ab gọi m ;à trung điểm bc trên tia đối tia ma lấy điểm d sao cho md=ma
a)chứng minh am vuông góc với bc và am là tia phân giác của góc bac
b)chứng minh md song song ac
các bạn giúp mình với mình đang rất cần vẽ luôn hình giúp mink nha
tim x thuộc N* biết A = 11111111111...1-7777777....7 là số chính phương và 2x chữ số 1 và x chữ số 7
tìm 1 cặp x;y thỏa mãn 7^3=x^2-y^2
giải chi tiết hộ mình vs