Easy
Medium
Hard
300

1-1=?

0

300

1101010-101101=?

111101

300

1011000-111000?

100000

300

10-1=?

1

300

101100-1000=?

100100

300

1011001-110000=?

101001

300

100-10=?

10

300

1110101-111001?

111100

300

1101011-111011=?

110000