Các câu hỏi tương tự
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 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
Tich cua hai so tu nhien lien tiep lon hon tong cua chung la181.tim hai so do?
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.
Tong chu so hàng chuc và hai lan hang don vi cua mot so co hai chu so bang 18 .Neu doi hai chu so cho nhau thi duoc so moi hon so da cho 24 don vi . Tim so da cho
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
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
Xin moi ngui giup mk voi
Cau1:
Tim hai so tu nhien biet tong cua chung bang 56 va hieu cua chung bang 6
Cau2:
Cho tam giac ABC co ba goc nhon cac duong cao AD BE CK cat nhau tai H chung minh:
A, Tư giac HECD noi tiep
B, Tia DA la tia phan giac cua goc EDK
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