tim mot so co 4 chu so chia het cho 2,5va 9 biet so dokhongthay doi cho chu so hang nghin va chu so hang chuc hoac doi cho chu so hang tram va chu so hang don vi cho nhau?

tim so co 4 chu so biet chu so hang nghin,chu so hang tram,chu so hang chuc,chu so hang don vi ti le voi 2;1;2;3 va so do chia het cho 3

tim so co 3 chu so , biet rang tich chu so hang chuc voi chinh no thi bang tich cua 2 chu so kia va neu doi cho hai chu so hang tram va hang don vi cho nhau thi so do giam di 594 don vi

giup minh voi nheeee

tim so le co 4 chu so biet tong cac chu so do bang 26 tich cac chu so cua so do la so tron chuc va gia tricua so do ko thay doi khi doi cho chu so hang nghin cho chu so hang chuc chu so hang tram cho chu so hang don vi

                   giai giup minh nhe////co va loi giai luonne.......cam o

mot so gom 3 chu so co tong cac chu so bang 26.tim so do biet rang khi doi cho chu so hang tram va hang don vi cho nhau thi so do khong doi 

Bai 1:Cho so tu nhien A co 4 chu so. Co chu so hang don vi gap 3 lan chu so hang tram chu so hang chuc gap 8 lan chu so hang nghin. Biet A chia het cho 9.Tim A

Bai 2: Tim tat ca cac so dang 6x14y. Biet rang so do chia het cho 3,4 va 5

tim so co ba chu so biet rang neu doi chu so hang tram va don vi cua no cho nhau thi gia tri cua no khong thay doi con chu so hang chuc bang mot phan ba tong hai chu so kia

1 ,Tim so co 4 chu so biet chu so hang tram gap doi chu so hang chuc , chu so hang chua gap 3 lan chu so hang don vi 

2, Tim 1 so co 2 chu so , biet neu so do chia cho chu so hang don vi cua no thi dc thuong = 6 va du 5

3,Tim so co 4 chu so biet neu xoa chu so hang chuc thi so do giam di 1188 don vi

4, Tim so co 3 chu so neu so do cong voi tong cac chu so cua no thi = 555

            Giai Han Ra Nhe !

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tim mot so co 3 chu so biet rang chu so hang tram gap doi chu so hang chuc, chu so hang chuc gap doi chu so hang don vi va neu lay so do chia cho tong cac chu so thi du 2