tong 2 so la 123.neu gap so thu nhat len 3 lan thi duoc tong moi la 202.tim hai so do

co cach giai nhe

-=tim mot STN biet neu viet them so 6 vao ben phai so do ta duoc so moi ma tong so moi va SCT la 13591 lam cach giup minh nhe--=

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]

tim so tu nhien neu viet them chu so 6 vao ben phai so do thi duoc so moi ma tong cua so moi va so phai tim la 13591 [ giai = 2 cach ]

tong cua 2 so la 9

neu :

so lon + 0,4

so be - 0,4

thi :

so be bang 2/3 s lon

tim hai so

moi nguoi viet cach giai cho minh luon nhe

help me ^^

tong 2 so la 9378 neu gap so thu nhat len 3 lan thi tong 2 so la 18416. tim 2 so do

Cho 4 so co tong la 45. Neu dem chia so thu nhat cong vs 2 thi duoc 4 ket qua = nhau, so thu 2 - di 2 , so thu 3 x vs 2so thu tu : cho 2 thi duoc 4 ket qua = nhau . Hay tim 4 so = nhau .

Lam luon bai giai cho mk nha !!!!!!!!!!!! ^ _ ^ !

tong cua hai so la 14,2 neu gặp so lon 3 va gặp so be len 2 lan thi tong 2 so la 33,3 tim hai so do

tong cua 2 so la 333  .Ti so cua 2 so do la 2 phan 7 .Tim 2 so do.