TONG CUA HAI SO LA 307,NEU SO HANG THU NHAT TANG LEN 38,SO HANG THU HAI GIAM DI 46 DON VI THI TONG MOI LA BAO NHIEU
Tim so hang thu nhat biet rang gap so hang thu nhat len 5 lan va giu nguyen so hang thu hai thi tong se them 1344 don vi?
Tim hai so co tong bang 61 . Biet rang gap 3 lan o so hang thu nhat va gap so hang thu hai len 5 lan thi duoc tong moi la 229.
tim so hamg thu 2 biet rang khi giu nguyen so hang thu 1 va gap so hang thu 2 len 4 lan thi tong tang them 2349 don vi
tong hai so la 64 biet so hang thu nhat la 12 so hang thu hai la 6 neu giam so hang thu nhat di 12 don vi so hang thu hai giam di 6 don vi tim tong moi
tong 2 so la 45 neu tang so thu 1 len 12 don vi va tang so hang thu 2 len 18 don vi thi tong moi la
tong 2 so gap 3 lan so hang thu nhat biet so hang thu hai la 48 hoi so hang thu nhat la bao nhieu
Tong hai so la 7,36 . Tim 2 so biet rang 3 lan so hang thu 1 tru di so hang thu 2 thi duoc 12,64 .