K
Khách

Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.

23 tháng 2 2015

Nếu số thứ nhất tăng 20% và số thứ hai cũng tăng 20% thì tổng sẽ tăng 20%.

 

Khi đó tổng là : 71,9 x (100%+20%) = 86,28

 

Số phần trăm còn lại của số thứ 2 là : 30% - 20% = 10%

 

10% số thứ 2 tương ứng : 88,62 - 86,28 = 2,34

 

Vậy số thứ hai là : 2,34 : 10 x 100 = 23,4

 

Số thứ nhất là : 71,9 - 23,4 = 48,5

Sai chỗ nào zậy ??? Đúng hết mà .

6 tháng 2 2016

số1:48,5;số2:23,4

22 tháng 2 2016

ST1:48,5

ST2:23,4

Mình chắc chắn đó.

25 tháng 2 2016

ST1 : 48,5

ST2 : 23,4

Tớ đảm bảo 10000000000% luôn

29 tháng 2 2016

23,4

48,5 chuan xac 10000000000000000000%

1 tháng 3 2016

Chuẩn Không Cần Chỉnh

6 tháng 3 2016

23,4

48,5

Minh thi dung sai goi minh(Neu bam sai ko phai loi minh dau)

19 tháng 4 2016

sai lam sao duoc , dung 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000%

22 tháng 11 2016

chuan 100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000%

14 tháng 12 2016

st1 la 48,5 

st2 la 23,4

16 tháng 1 2017

dung that ha nhung toi can cach lam khacco lam on giup toi nhe

26 tháng 1 2017

Đúng rồi chuẩn 100%

31 tháng 1 2017

chuan 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000%

15 tháng 2 2017

thank you

16 tháng 2 2017

48.5 va 23.4

19 tháng 2 2017

chuẩn 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000%

24 tháng 2 2017

48,5 dó thăng nao ko tin thi sai cho may nho day

13 tháng 2 2018

100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

5 tháng 3 2019

số thứ 1 là 48,5 ;số thứ 2 là 23,4

23 tháng 3 2020

Tổng của hai số là 62,2. Nếu tăng số thứ nhất thêm 10% , số thứ hai thêm 35% thì tổng mới là 76,77.

Nếu cả hai số đều tăng 10% thì tổng cũng tăng 10%.

Khi đó tổng mới là:

        62,2 x (100 + 10) : 100 = 68,42

Hiệu giữa hai tổng là:

        76,77 - 68,42 = 8,35

Số này tương ứng với số phần trăm số thứ hai là:

       35 - 10 = 25%

Vậy số thứ hai là:

       8,35 : 25 x 100 = 33,4

Số thứ nhất là:

       62,2 - 33,4 = 28,8

                                 Đáp số : 28,8 và 33,4

4 tháng 3 2016

Nếu cùng tăng 2 số lên 20% thì tổng sẽ là:

71,9 x (100%+20%) = 86,28

10% của số thứ hai là:

88,62 – 86,28 = 2,34

Số thứ hai là :

2,34 : 10 x 100 = 23,4

Số thứ nhất là :

71,9 – 23,4 = 48,5

Đáp số :  23,4 và 48,5

Ai tích mình mình tích lại cho

Nếu cùng tăng 2 số lên 20% thì tổng sẽ là:

71,9 x (100%+20%) = 86,28

10% của số thứ hai là:

88,62 – 86,28 = 2,34

Số thứ hai là :

2,34 : 10 x 100 = 23,4

Số thứ nhất là :

71,9 – 23,4 = 48,5

Đáp số :  23,4 và 48,5

28 tháng 2 2016

48.5

23.4

17 tháng 2 2016

Trong câu hỏi tương tự có đó bạn !