cho tich xyz biet rang neu them 1 don vi vao x thi tich do tang 1 don vi . neu them 1 vao y tich tang them 2 don vi . neu them 1 vao z thi tich do tang 8 don vi . tinh tich xyz
giup minh nhe
Neu tang them 5 don vi vao thua so thu nhat thi tich moi la 595. Tim 2 thua so biet tich cua chung bang 420.
biet tich 3 so nguyen xyz = -10. neu them 3 vao tich thi tich giam di 6 dv . tim x,y,z
tim hai so tu nhien biet rang tich cua chung la 630 va neu them 4 don vi vao mot thua so thi tich moi la 798
cho xy=-6 va neu them 1 vao x thi tich tang them 2 don vi tim xy
tim 2 so a va b biet tich cua chung la 444. Neu them 3 don vi vao so b thi tich moi la 555
1. Tim tat ca cac so co 2 chu so sao cho moi so gap 2 lan tich cua no?
2. Tim so nguyen to co 3 chu so biet rang neu viet so do theo thu tu nguoc lai thi ta duc 1 so la lap phuong cua 1 so tu nhien?
3. Tim so tu nhien co 4 chu so biey chu so hang nghin bang chu so hang don vi chu so hang tram bang chu so hang chuc va so do viet duoc duoi dang tich cua 3 so nguyen to lien tiep?
Biết tich số X Y X = -10 neu them 3 vao x thi tich giam di 6 don vi.tim cac so nguyen x y z
tim so chia cua mot phep chia , biet rang : so bi chia 410, so du bang 19
a) tim mot so co hai chu so va neu lay so do chia cho chu so hang don vi thi duoc thuong la 8 va du 7
b) tong cua hai so bang 196 . tim hai so do
c)tim so co 3 chu so , biet rang neu viet them mot chu so 3 vao ben phai so do thi no tang them 2217 don vi