SB: 57,5/2=28,75
SL:28.75x4=115
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tim hai so biet tong hai so do bang 125%so lon hieu hai so do lon so be 57.5 don vi
tim hai so biet tong hai so do bang 125% so lon hieu cua hai so lon hon so be 57 ,5 don vi
Bai 1 : Tong cua hai so la 2000. Neu so hang thu nhat them 135 don vi va so hang thu hai bot 531 don vi thi duoc tong moi la bao nhieu?
Bai 2 : Tim tong hai so biet rang neu so hang thu nhat bot di 246 don vi va so hang thu hai them 642 don vi thi duoc tong moi bang 2010.
Bai 3 : Hieu cua hai so la 1000. Neu so lon them 235 don vi va so be bot 200 don vi thi duoc hieu moi la bao nhieu?
Bai 4 : Hieu cua hai so bang 1234. Neu so lon bot 234 don vi va so be them 456 don vi thi duoc hieu moi la bao nhieu?
Bai 5 ; Tim hieu cua hai so, biet rang so lon va so be cung bot di 100 don vi thi duoc hieu moi la 1000.
hieu hai so la 217. biet neu giam so lon di 15 don vi va tang so be di 22 don vi thi so be = 2/5 so lon. tim hai so do.
tim hai so biet ,tong hai so do bang 125% so lon.hieu hai so do lon so be 57,5 don vi
hieu hai so la 6,9tim hai so do biet rang neu them vao so be 2,5 don vi va bot o so lon di1,2 don vi thi duoc hai so co tong la 79,8
Tong cua 2 so la: 9175. Sau khi them vao so lon 113 don vi va bot o so be 96 don vi thi duoc hai so moi co hieu la 348.Tim hai so do.
Hieu cua 2 so la 41 biet neu giam so be di 19 lan va them vao so lon 12 don vi thi so be
bang 3/5 so lon tim hai so do
tong 2 so la so chan lon nhat co 4 chau so .tim 2 so do, biet hieu hai so do la so be nhat co 4 chu so