tim so tu nhien co 4 chu so khac nhau lon hon 3142 ma co tong cac chu so bang 6 va chu so hang chuc be hon chu so hang don vi
trong mot phep chia mot so tu nhien cho 9 dc so du la so du lon nhat co the va co thuong lon hon 15 don vi tim so bi chia
so lon la so tron chuc co hau chu so lon hon 30 va nho hon 50 so be la 8 hi so be bang mot phan may so lon
tu cac chu 3,7,9 nguoi ta co the viet bao nhieu so co 2 chu so khac nhau lon hon 45
so tu nhien co 2 chu so lon hon 50 ma tich chu so bang 12
CO BAO NHIEU SO TRON TRAM LON HON TRON TRAM LON HON 500 ,A,2 SO .B,5 SO .C .3,SO D,4 SO
tim tich so nguyen am lon nhat co 1 chu so va so tu nhien nho nhat co 2 chu so
hieu hai so nho hon so bi tru la 56 don vi so tru lon hon hieu la 8 don vi hoi so bi tru bang bao nhieu don vi
co tat ca bao nhieu so tron chuc lon hon 2017 nhung be hon 2191 ?