Các câu hỏi tương tự
Cho 1 so co 2 chu so. Biet rang so do gap 7 la chu so hang don vi neu chia so do cho chu so hang chuc cua no duoc thuong la 11 du 2. Tim so da cho.
tim tat ca cac so tu nhien có 2 chu so biet rang chu so hang don vi nho hon chu so hang chuc la 2 va tich cua chu so do cua no luon lon hon tong cua hai chu so cua nó la 34 don vi
tim mot so co 2 chu so. biet chu so hang chuc>chu so hang don vi la 2 neu lay so do chia tong chu so cua no dc 6 du 1
tim so tu nhien co hai chu so .Biet rang tong cac chu so bang 6 va neu them vao so don vi thi duoc mot so cung viet bang cac chu so do nhung theo thu tu nguoc lai
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.
tim hai so biet rang tong cua chung la 18 neu tang moi so them hai don vi thi tich cua chung tang len 1,5 lan giai bai toan bang cach lap phuong trinh
neu tu so cua mot phan so toi gian be hon mot duoc nang len lap phuong con mau so cua no duoc tang len ba don vi thi phan so da cho tang len gap ba lan.Tim phan so da cho
tim 2 so biet tong cua chung la 17 va khi tang so thu nhat len 3 don vi so thu 2 len 2 don vi thi tich cua chung la 105.tim 2 so da cho
Tìm so co hai chự số biết tổng hai cu so cua no nho hon so do 6 lan . Neu them 25 vao tich cua hai chu so cua no se duoc so viet theo thu tu nguoc lai cua so can tim