tong cua 2 so la 1991284 .so lon co chu so hang chuc la 5; hang don vi la 9 ;hang tram la 2 .neu xoa cac chu so do ta duoc so be .tim so be
tim so co hai chu so biet tong cua hai chu so do la so lon hon 10.ti so cua chu so hang chuc va chu so hang don vi la 2/3
Tim so tu nhien co 2 chu so biet rang chu so hang chuc lon hon chu so hang don vi la 2 va so do lon hon tong cac binh phuong cac chu so cua no la 1.
mot so co hai chu so biet tong cac chu so cua no la 8 hieu cac chu so cua cua no la 4 va chu so hang chuc lon hon hang don vi so do la so nao
tim so co 2 chu so biet tong hai chu so la 13 va hang chuc lon hon hang don vi la
5
Số đó là 94
k mk nhék . Mk nhanh nhất . Chúc bn học tốt ^.^
tong cac chu so cua 1 so co 3 chu so la 21 chu so hang don vi lon hon chu so hang chuc .neu ta doi vi tri chu so hang don vi va chu so hang tram thi duoc mot so moi co gia tri lon hon so cu la 198. tim so cu .
giup mk nhe
tong 2 so la 72893, biet hang chuc cua so lon hon la 1, hang don vi la 5, hang tram la 2. biet gach 1 chu so di thi ra so be hon. Tim 2 so do
Tim hai so co tong la 2017 . Neu xoa di chu so hang chuc va hang don vi cua so lon thi duoc so be
Tim cac so tron chuc co 5 chu so khac nhau,biet rang chu so hang chuc nghin la 5;tong cua 4chu so con lai la 8.Co tat ca bao nhieu so thỏa man de bai ? Sap xep cac so tim duoc theo thu tu tu lon den be.
Tong cua 2 so la so lon nhat co hai chu so. So hang thu nhat la so chan lon nhat co 1 chu so. Tim so hang kia
Số lớn nhất có 2 chữ số là:99
Số chẵn lớn nhất có 1 chữ số là:8
Số hạng kia là:
99-8=91
Đáp số:91