tong cua hai so la 16,26. neu tang so thu nhat len 5 lan va so thu hai len 2 lan thi co tong moi la 44,52 . tim hai so do .
tong 2 so thap phan la 16,26.Neu tang so thu nhat len 5 lan so thu 2 len 2 lan thi tong moi la 43,2 tim 2 so do
tong cua 2 so thap phan la 16,26. neu ta tang so thu 1 len 5 lan, so thu 2 len2 lan thi 2 so co tong la 43,2. tim 2 so do
tong cua hai so thap phan la 12,26 . neu ta tang so thu nhat len len 5 lan va so thu hai len 2 lan thi ta duoc hai so co tong la 43,2 .tim hai so do
tong 2 so thap phan la 16,26 neu tang so thu nhat len 5 lan so thu hai len 2 lan tong moi bang 43,2 tim so do [nho ghi ro cach tinh]
tong hai so la 11,9 neu gap so thu nhat len 3 lan so thu 2 gap len 5 lan thi tong cua 2 so la 41,4 .Tim 2 so do
tong 2 so thap phan la 14,04 neu so thu nhat gap lan 5 lan va so thu hai gap len 2 lan thi tong moi la 35,1 Tim so thu nhat
tong cua 2 so la 45.7. neu gap so hang thu nhat len 4.2 lan va gap so hang thu hai len 3.5 lan thi tong moi la 172.9.Tim tich dung cua phep nhan
tong cua hai so bang 37,8 neu so hang thu nhat gap len 2,5 lan va so hang thu hai gap len 3,2 lan thi tong moi la 111,02 tim so thu 2