số bé nhất có 1 chữ số là 0 tích bằng 0
số bé nhất có 1 chữ số là 1 số lớn nhst có 1 chữ số là 9
tích là
9*1=9
đáp số 9
Giải
Số bé nhất có 1 chữ số là 1 , số lớn nhất có 1 chữ số là 9
Vậy tích của hai số là
9 x 1 = 9
số cần tìm là 9
dap an la9 minh chac chan 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000%