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2023-05-24 16:24:46
ngu
2023-03-01 19:17:25
Coi giá bán lúc đầu chiếc điện thoại là 100% thì giá bán lần thứ hai là :
4 275 000 : ( 100% - 5% ) = 4 500 000 ( đồng )
Giá bán lúc đầu là :
4 500 000 : ( 100% - 10% ) = 5 000 000 ( đồng )
ĐS : . . .
2023-02-16 09:32:44
3,5 = 7/2
2 = 2/1 = 14/7
Tổng số phần bằng nhau :
7 + 2 + 14 = 23 ( phần )
Giá trị 1 phần :
34,5 : 23 = 1,5
Số thứ nhất :
1,5 x 14 = 21
Số thứ hai :
21 : 2 = 10,5
Số thứ ba :
10,5 : 3,5 = 3
đ/s : ...
2023-02-16 09:31:51
bài dễ mà ko biết làm.
2023-02-03 10:22:23
có làm thì mới có ăn