khi cong 1 so tu nhien voi 1 so thap phan ma phan thap phan co 2 chu so ban hoa da bo quen dau phay o phan thap phan va dat tinh nhu cong so tu nhien nen duoc ket qua la 2015 tim so thap phan biet tong dung la 177.56

kji thuc hien cong 1 so tu nhien voi mot so thap phan ban an quen viet dau pphay so thap phan nen tim duoc tong la 4029.em hay tim so thap phan do ,biet tong dung la 2034,15

Khi cong 1 so tu nhien voi 1 so thap phan mot hoc sinh so y viet nhan dau phay cua so thap phan sang ben phai 1 hang nen tim duoc tong sai la 591,4 . Tim so thap phan do , biet tong dung = 480,34.

Khi cong 1 so tu nhien voi 1 so thap phan mot hoc sinh so y viet nhan dau phay cua so thap phan sang ben phai 1 hang nen tim duoc tong sai la 591,4 . Tim so thap phan do , biet tong dung = 480,34.

Khi cong so tu nhien voi mot so thap phan. An quen mat dau phay o phan thap phan va dat tinh cong nhu cong hai so tu nhien voi nhau nen duoc tong la 1332. Hay tim hai so tu nhien va so thap phan do biet tong dung la 65,79

hieu 2 so thap phan la 22,2.khi cong 2 so thap phan do voi nhau,ban ly da dich nham dau phay cua so be sang trai 1 chu so nen tong tim duoc la 92,93.Tim tong dung cua 2 so thap phan do

Khi tru mot so tu nhien di mot so thap phan co 1 chu so o phan thap phan, mot ban da dat tinh nhu doi voi phep tru 2 so tu nhien va van danh dau phay o ket qua thu duoc thang hang voi dau phay cua so thap phan. Vi the ket qua thu duoc giam di so voi ket qua dung la 1805,4. Tim so tu nhien trong phep tru do

1..Voi cac chu so 0;1;2;8.Hoi lap duoc bao nhieu so thap phan co du 4 chu so da cho ma co 2 chu so o phan nguyen

2..Voi cac chu so 2;8;1;5.Hoi lap duoc bao nhieu so thap phan co du 4 chu so da cho ma co 2 chu so o phan nguyen

3..Voi cac chu so 0;4;6;8.Hoi lap duoc bao nhieu so thap phan co du 4 chu so da cho ma co 3 chu so o phan thap phan

4..Voi cac chu so 0;2;4;6.Hoi lap duoc bao nhieu so thap phan co du 4 chu so da cho ma co 2 chu so o phan thap phan

tỗng của 1 so tu nhien va 1 so thap phan bang 1994,34.Bo dau phay cua so thap phan di ta duoc 1 so moi be hon so tu nhien 748 don vi .Vay so thap phan do la?