Các câu hỏi tương tự
cho phep , co so tru la so co 2 chu so , neu viet them so tru vao ben phai hoac ben trai chinhs so tru thi ta dc so bi tru . hieu cua phep tru do la 3000 . tim so bi tru cua phep tru do
hieu 2 so la 6. neu tang mot so gap 5 lan va giu nguyen so kia thi hieu moi la 70. tim 2 so do
tim 1 so biet rang neu viet them vao ben phai so do 1 so co 2 chu so thi duoc so moi lon hon so phai tim la 197406
Tim so tu nhien co 2 chu so biet neu viet them chu so 1 vao ben phai so do ta duoc tong so moi va so do la 980 .
1.Cho so N la so co hai chu so chia het cho 3.Neu viet xen so 0 vao giua hai chu so do roi cong no voi hai lan chu so hang chuc cua so N ta duoc so moi gap 9 lan so N.Tim so do
2.Tong hai so thap phan la 60,1.Neu dich dau phay cua so nho sang ben phai mot hang roi dem tru di so lon thi ta duoc 219,52.Tim hai so do.
3.Tim so co hai chu so biet neu ta them so 33 vao giua hai chu so do thi duoc mot so moi gap so phai tim 89 lan.
Cho hai so co hieu la 105 neu lay so lon chia so be thi duoc thuong la 7 du 3 tim hai so do
Cho hai so hon kem nhau 72 neu giu nguyen so lon va gap 3 lan so be thi duoc hai so moi hon kem nhau 38.Tìm hai số đã cho
mot so tru nhien co bon chu so biet rang neu viet them so 2 vao ben trai viet them so 8 vao ben phai cua so do thi duoc mot so moi co sau chu so so moi nay chia cho so cu duoc thuong la 44 va du 4066 hay tinm so do
Hieu hai so thap phan la 171,55.Neu giu nguyen so bi tru va tang so tru len 3 lan thi hieu moi la 117,5.Tim so bi tru va so tru.
cho 2 STN co hieu la 4 . neu nhan 1 so len 3 lan va giu nguyen so kia ta co hieu la 60 . tim 2 STN