tìm hai số có trung bình cộng bàng 92 và thương của hai số đó bằng 3. Mình đag cần gấp giúp mình nhé.Minh cảm ơn các cậu trc nhé!!!
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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
Tổng của hai số cần tìm là
10x2=20
Số thứ nhất là: 20:(1+5)x1=20/6=10/3
Số thứ hai là 20:(1+5)x5=50/3
không thể làm được đâu bạn à vì đề này không có cách giải
![](https://rs.olm.vn/images/avt/0.png?1311)
Bài giải
Thương của hai số đó là 3 vậy số lớn gấp 3 lần số bé .
Tổng của hai số đó là :
92 x 2 = 184
Ta có sơ đồ :
Số lớn : |__________|__________|_________| }
Số bé : |__________| } Tổng 92
Theo sơ đồ , số bé là :
92 : ( 3 + 1 ) = 23
Số lớn là :
92 - 23 = 69
Đáp số : Số lớn : 69
Số bé : 23
![](https://rs.olm.vn/images/avt/0.png?1311)
Tổng của 2 số đó là:
92x2=184
Thương của 2 số =3 tức là SB=1/3 SL
Tổng số phần bằng nhau là:
1+3=4(phần)
Giá trị 1 phần hay số bé là:
184/4=46
SL là:
46x3=138
Đ/s:SL:138
SB:46
ủng hộ mik ha
![](https://rs.olm.vn/images/avt/0.png?1311)
Gọi x là số thứ nhất ( Điều kiện X \(\in\) N* )
Số thứ hai là x + 468
Trung bình cộng của 2 số là ( x + x +468 ) : 2 = 1000
\(\Leftrightarrow\)x + x + 468 = 2000
\(\Leftrightarrow\)2x = 2000 -468
\(\Leftrightarrow\)2x = 1532
\(\Leftrightarrow\)x = \(\frac{1532}{2}\)= 766 ( thỏa điều kiện )
Vậy số thứ nhất là 766
Số thứ 2 là 766 + 468 = 1234
![](https://rs.olm.vn/images/avt/0.png?1311)
Ta có: \(0,8=\frac{4}{5}\).
Nếu số thứ nhất là \(4\)phần thì số thứ hai là \(5\)phần.
Tổng số phần bằng nhau là:
\(4+5=9\)(phần)
Số thứ nhất là:
\(116,1\div9\times4=51,6\)
Số thứ hai là:
\(116,1-51,6=64,5\)
![](https://rs.olm.vn/images/avt/0.png?1311)
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![](https://rs.olm.vn/images/avt/0.png?1311)
chỉ có thể là số 91 thui bn ạ
vì tích và thương của 2 chữ số đó bằng nhau nên 1 chữ số trong số đó phải là số 1, mà mười mấy thì ko thể nào lớn nhất đc nên ta đảo lại thành 91
tk mk nha
Tổng của hai số là: 92 x 2 = 184
Giá trị 1 phần hay số bé là: 184 : (3 + 1) = 46
Số lớn là: 184 - 46 = 138
tham khảo:
Tổng 2 số đó là:
92 x 2 = 184
Số bé là:
184: (3 + 1) = 46
Số lớn là:
184 - 46 = 138