1110110011000…11000000000

Q1：1?110?1100?11000?…?11000000000

1-110-1100-11000-…-11000000000,=1-(0.1 0.01 0.001 …0.000000001),=1-0.111111111,=0.888888889.

Q2：{TITLE2}

{ANSWER2}

Q3：{TITLE3}

{ANSWER3}

Q4：{TITLE4}

{ANSWER4}

Q5：{TITLE5}

{ANSWER5}

Q6：{TITLE6}

{ANSWER6}