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.
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
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?
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
tong cua 2 so la so lon nhat co 3 chu so.so hang thu nhat la so nho nhat co 3 chu so khac nhau.tim so hang thu hai
trong 1 phep cong gom 2 so hang, biet rang neu tang so hang thu nhat them 234 thi tong se bang 579. hoi neu gian so hang thu 2 di 234 thi tong se bang bao nhieu
tong hai so gap 4 lan so hang thu nhat , so hang thu hai = 72 tim so hang thu nhat .Ve so do doan thang
lam loi giai nhe cac ban
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 .