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Nguyễn Vũ Quân
Tìm số 8(Không phải số 8 ở đề bài đâu!!!Tìm ở dưới nè!!!Nhiều bạn nhầm lắm)99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999...
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Nguyễn Vũ Quân
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Nguyễn Hải Anh
26 tháng 10 2021 lúc 10:41

999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999799999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999991999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999299999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999939999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999994999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999995999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999969999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999979999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999899999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999

cái này ko chỉ có mỗi số 8 đâu chị ey

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Phạm Thị Phương Thảo
26 tháng 10 2021 lúc 10:41

trời ơi cái này nhìn lé con mắt  con bt hông cái này mà đố cô kiểu này thì cô cho ăn dép báo cáo

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2	Nguyễn Duy Hải Anh
26 tháng 10 2021 lúc 10:51

lấy 6 + 2 hoặc 7 + 1 ở trong dống đấy là ra :)

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Nguyễn Trần Thành Đạt
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Nguyễn Trần Thành Đạt
13 tháng 3 2021 lúc 17:36

Mọi người có cần hỏi gì không nà?

Đỗ Thanh Hải
13 tháng 3 2021 lúc 17:36

Nhờ trang này mà e đã được ôn tập trong đợt dịch vừa r.......giúp e khi đi học hiểu bài hơn. Trang này chắc chắn sẽ có ích cho những em 2k6 năm nay thi cấp 3 vì nó cung cấp được nhiều tài liệu hay cho các e ôn tập

Lê Trang
13 tháng 3 2021 lúc 17:53

Đúng ngay cái trang mình đang cần :)))

Cảm ơn a Đạt và Hoc24 nhiều :>

Ken Bảo
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Vũ Huyền Phương
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Huỳnh Minh Thuận
14 tháng 1 2018 lúc 11:48

méo bt mà thôi mình đi hồi đó giờ chưa đc

Nguyễn Hoàng Phúc
14 tháng 1 2018 lúc 18:10

16 bạn

Kagome
15 tháng 1 2018 lúc 21:03

                                                                Vì 8 bạn đứng trước 8 bạn là đã có 8 bạn nên đã có 8 bạn 8 đứng sau và đứng giữa nên có thêm 8 bạn nữa .Vậy 1/4 của 1 hàng là :8+8=16 (bạn)

                         1 hàng có số bạn là :

                            16*4=64(bạn)

                              Lớp 3a có số bạn là :

                                      64*6=384(bạn)

                                          Đáp số:384 bạn

Hoàng Thị Thanh
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Nguyễn Lê Phước Thịnh
8 tháng 2 2023 lúc 23:34

Câu 11:

=>4,6x=6,21

=>x=1,35

12: \(A=-\left(1.4-x\right)^2-1.4< =-1.4\)

=>x=-1,4

Câu 9:

\(\Leftrightarrow\dfrac{10a+b}{100c+90+d}=\dfrac{1}{2}-\dfrac{1}{7}+\dfrac{1}{7}-\dfrac{1}{12}+...+\dfrac{1}{92}-\dfrac{1}{97}=\dfrac{1}{2}-\dfrac{1}{97}=\dfrac{95}{194}\)

=>a=9; b=5; c=1; d=4

=>a+b+c+d=9+5+1+4=19

Nguyễn Thị Ngọc Linh
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Trần Khánh Linh
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Turtle Hà
11 tháng 12 2021 lúc 19:22

a.có

b.không 

c.không 

d.có

Nguyễn Thanh Tâm
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Nguyễn Ngọc Anh Minh
15 tháng 6 2016 lúc 10:02

Khi viết chữ số 8 hàng đơn vị thành chữ số 3 ta được số mới là 2463 và kém số ban đầu là

2468-2463=5 đơn vị

Trong 1 phép nhân có 2 thừa số nếu 1 thừa số giảm đi bao nhiêu đơn vị thì tích giảm đi bấy nhiêu lần thừa số còn lại

=> Tích giảm đi 5 lần số tự nhiên

Số tự nhiên khi nhân với 2468 là

35:5=7

Tích đúng là

2468x7=17276

Hoàng Ngọc Bảo Khuê
15 tháng 6 2016 lúc 10:06

Số 2468 giảm đi là:

     2468 - 2463 = 5

Số chưa biết là:

     35 : 5 = 7

Tích đúng là:

     7 x 2468 = 17276

             Đáp số: 17276