TIM 2 SO BIET RANG TRUNG BINH CONG CUA HAI SO DO BANG 125 VA BIET HIEU CUA CHUNG BANG 32
TIM SO BE VA SO LON
hieu cua hai so bang 0,14 . tim hai so do , biet rang 5 lan so lon tru di so be thj duoc 18,1
tim hai so biet rang hieu cua so lon va so be bang thuong cua so lon va so be va bang 0,75
Hieu hai so bang 96 .Tim 2 so do biet rang neu so lon chia cho mot nua so be thi duoc 18
cho 3 so tu nhien trong do 2 lan so thu nhat bang 3 lan so thu hai va bang 5 lan so thu 3 . tim so thu hai , biet rang hieu cu áo lon nhat va so be nhat bang 72
cho hai so biet so be bang 25% hieu hai so va biet tong hai so do bang 19,2 tim so lon [giai day du]
tim hai so biet tong hai so do bang 125%so lon hieu hai so do lon so be 57.5 don vi
HIEU CUA 2 SO BANG 0,14 .TIM HAI SO DO ,BIET RANG 5 LAN SO LON TRU DI SO BE THI DUOC 18,1 (chi giai theo cach lop 5)
tim hieu hai so ,biet rang neu so lon them 15,4 va so be them 7,8 thi hieu moi se bang 20,08