Help meeeeeeeeee

1. Một phép chia có số bị chia bằng 3193. Tìm số chia và thương của phép chia đó, biết rằng số chia có hai chữ số.

2. Tìm hai số tự nhiên liên tiếp có tích bằng 600.

3. Tìm số tự nhiên n, sao cho: n + 5 chia hết cho n + 1

4. Tìm số tự nhiên n biết rằng: 1 + 2 + 3 + ... + n = 820

Ko ghi đề bài lm sao biết đc

Bài 1. Chứng minh rằng: \(10^{28}\) + 8 chia hết cho 72

Bài 2. Chứng minh rằng: \(n^4-4n^3-4n^2+16n⋮384\)

Cứu với bài khó quá

II. Rewrite the sentence, using given words

91. One/ disadvantages /  living in the countryside / lack / public transport.

      ..............................................................................................

92. I / always / keep / window / open / order / let / fresh air / in.

      ..............................................................................................

93. How long / you / leam English?

      ..............................................................................................

94. Homework / must / be / hand / before / end / the week.

      ..............................................................................................

95. These exercises / too difficult / students / do / without / mistakes.

      ..............................................................................................

96. One / my classmates / always / play / computer games.

      ..............................................................................................

97. Our accommodation / include / ticket price.

      ..............................................................................................

98. Some / the goods /at the new stores / will be / same / ones / at the small shop.

      ..............................................................................................

99. People / throw / away / billions / cans / every year.

      ..............................................................................................

100. The tiger / ask / the farmer / why / strong buffalo / his servant and / he / master.

       ..............................................................................................

I. Rewrite the sentence without changing the meaning

81. What is your date of birth?

82. I am not as good at Maths as my brother is.

83. She is usually a hard worker. 

84. Who was the inventor of this machine?

85. We like reading books better than seeing movies.

86. What interesting movies

87. You should not watch TV

88. How heavy were you last year?              

89. We didn’t enjoy the trip because of the heavy rain.

90. A train leaves at eight o’clock every morning.

Help me!

IV. Choose the best form of verb in the bracket to fill in the blank

56. My children enjoy................. (allow) to stay up late when there is something special on TV.

57. The nicest vase...............(break) while it was being moved to another room.

58. The television.................................(repair). It's working now.

59. The student (punish)................................yesterday is Tim’s brother.

60. How many lessons...............you (miss)..........................this year

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