tra loi nhanh giup tui
Các câu hỏi tương tự
tim tat cac so tu nhien co ba chu so thoan man cac tinh chat sau : co tong cac chu so bang 9 chu so hang chuc lom hon chu so hang don vi la 2 don vi va neu ta doi chu so hang tram cho hang don vi thi duoc so moi lon hon so ban dau la 198 don vi
khi bo chu so hang don vi cua 1 so tu nhien thi so ay giam di 1672 don vi.tim so do biet rang so do co chu so hang don vi la so lon nhat chi chia het cho 1 va chinh no
Tim so co 3 chu so biet chu so hang tram gap 4lan chu so hang don vi va neu viet so do nguoc lai thi duoc so moi kem so can tim 594 don vi.
CAC BAN NHO GIAI CU THE NHA,CHAN THANH CAM ON.
cho 1 so co 3 chu so ma chu so hang don vi lon hon hang tram . neu viet chu so hang don vi len truoc hang tram thi duoc 1 so moi lon hon so da cho la 765 , tim so da cho
Tim so co ba chu so , biet rang neu viet cac chu so theo thu tu nguoc lai thi duoc mot so moi lon hon so ban dau 792 don vi
tim so tu nhien biet neu xoa chu so hang don vi cua no di thi ta duoc so moi kem so phai tim 1788 don vi . so do la
tim so co ba chu chu so , biet rang neu viet cac chu so theo thu tu nguoc lai thi duoc mot so moi lon hon so ban dau ̣̃â don vi
bai 13 :tim tich cua so nho nhat co ba chu so khac nhau voi so chan lon nhat co mot chu so.
bai 14 :tim mot so,biet rang neu giam so do di 5 lan sau do them 10 don vi thi duoc so le nho nhat co hai chu so.
bai 15 :tim mot so biet rang neu gap so do len 4 lan,duoc bao nhieu lai gap len 6 lan thi duoc 360
Tim so tu nhien co 3 chu so biet chu so o hang don vi la 7 .Neu chuyen chu so 7 o don vi len hang dau thi duoc so moi gap 2 lan so cu va cong them 21 don vi