hieu 2 so la 64 tim so be biet so be hon 1/7 so lon la 2 tim so be
tim hai so thap phan nam giua hai so biet 75,1&75,2
Hieu 2 so la 1,4. Biet rang 5 lan so be hon 3 lan so lon la 18,6. Tim 2 so do.
tbc cua hai so la 256,9.tim hai so do biet so lon hon so be 95,8
hieu 2 so la2.7 Tim hai so do biet rang so bi tru thi be hon 5 lan so tru la 4.8
Tim so thap phan x co 2 chu so o phan thap phan:0,1 be hon x va be hon 0,2.
tim 2 so biet so lon hon so be 12 don vi va trung binh cong cua 2 so do la 24
biet trung binh cong cua hai so bang 185 va biet so lon hon so be 24 don vi. tim hai so do
Tim hai so biet rang so lon hon so be 0,9. Neu gap so lon len 6 rui tru di so be duoc 6,4. tim 2 so