a.300
nha ban 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 phan tram
số nhỏ nhất thỏa mãn yc là 105
số lớn nhất thỏa mãn yc là 999
kc là 3+3=6
ssh là : (999-105)/6+1= ý D
đ/s: ý D
a là chuẩn ko cần chỉnh. k mình nha bn làm ơn ^_^...
