Các câu hỏi tương tự
Tim mot so co hai chu so biet khi viet so do theo tu tu nguoc lai ta duoc so moi kem son phai tim 18 don vi va biet tong hai chu so do la 8
tim so co ba chu so, biet rang neu viet them mot chu so 5 vao ben phai so do, ta duoc so moi lon hon so can tim 1130/
so do la..
Bach do Chien:
"do ban tim duoc so tron chuc lon hon 40.000 co cac chu so khac nhau ma tong cac chu so cua so do bang 10.Khi cong so do voi so viet theo thu tu nguoc lai thi duoc mot so co 5 chu so giong nhau.
Chien thach thuc:
-Neu tim duoc so do thi sao?
-Thi to cho cau di an kem tha cua chu sao.
nham mot lat,roi viet ngay hai so do ra giay.Chien than phuc roi dua ban di an kem.
cac ban cung thu suc nhe
tim so co 2 chu so biet rang neu viet cac chu so theo thu tu nguoc lai ta dc so moi ma tong cua so moi va so phai tim la 77
tim mot so tu nhien co 5 chu so. biet rang so do co chu hang don vi la 8 va khi xoa di chu so hang don vi cua so do ta se duoc so moi kem so phai tim 31877 don vi
Mot bqn khi tim tat ca cac so co 6 chu so biet tong cac chu so cua no la 48 va khi viet cac chu so do theo thu tu nguoc lai thi so do khong thay doi .hoi ban ay tim duoc nhieu nhat bao nhieu so thoa man yeu cau
tim so co 3 chu so biet rang neu viet cac chu so theo thu tu nguoc lai ta dc so moi hon dc so phai tim la 792dvva tong cua 3 chu sol bamg 10
Tim so co hai chu so, biet chu so hang don vi hon chu so hang chuc la 3, tong cua so phai tim va so viet theo thu tu nguoc lai cua so do bang 143
tu so cua mot phan so nho hon 1 la 3 chu so le lien tiep viet cac chu so cua tu so theo thu tu nguoc lai ta dduoc 1 phan so khi chia cho 9 dc 15/59 tim phan so do