Giúp mình với có mỗi 1 bài thui 😭😭😭😭

làm hộ mình với ạ mình sẽ vote 5 sao ạ

1) a) tan^2x+cot^2x=2 b)(sinx+ sin3x+cos3x/1+2sin2x)=3+cos2x/5 c) cos2x-3cosx=4cos^2x/2

Cho M gam hỗn hợp x gồm fe,al hoà tan hoàn toàn X vào h2so4 loãng thu được 11,2 lít h2. Mặt khác cho X tác dụng với h2so4 đặc thu được 13,44 lít so2. Tính M

NA2O +H2O K2O + H2O CAO + H2O BAO + H2O

vẽ anime,mầm Nl: nỗi sợ lớn nhất của mn là j

Vẽ mầm Nl : Tìm avartar và ghi chữ Hưng 2007

bỏ bài nghe nha 93. Does anyone want some more _ 94. W_ _ _ school does Mary go to? 95. We often ………………on foot to school. A. ride B. drive C. go D. catch 96. There……………….any rulers in my box. A. are B. is C. isn’t D. aren’t 97. afternoon. / He / plays / volleyball / every ................................................................................................................................................... 99. live / doesn’t / Hanoi. / Mr Kien / in ................................................................................................................................................... 100. N _ SE 101. How _ _ _ _ glasses of beer can Bo’s father drink? 102. Why is Nam good at speaking English? (nghe) – Because he speaks English with his …………….…..every day. A. Friends B. sister C. parents D. classmates 103. What’s Tom’s survey on? - …………… (nghe) A. favourite foods B. favourite sports and game C. favourite movie D. favourte drink 104. is / Mine / yellow. / my umbrella. / That’s not ................................................................................................................................................... 105. and planes. / Roger / trains / likes / both ................................................................................................................................................... 106. My mother often tells me not to eat _ _ _ many candies. 107. He always washes his car _ _ Sundays. 108. ………….your favourite movies? – It’s Titanic. A. What’s B. Where’s C. How’s D. Who’s 109. How many tables does your classroom…………….? A. are there B. have C. is there D. has 110. put the book / Can you / shelf / on the / for me? ................................................................................................................................................... 111. went to school / when / My sister / 6 years old. / she was ................................................................................................................................................... 112. Does Ben’s school _ _ _ _ 40 classrooms? 113. PO _ TMAN 114. Where does your uncle live? – He lives on an………….. A. Ireland B. iceland C. island D. aisle 115. Is your sister’s hair long …………..short? A. and B. or C. with D. between 116. dress. / with a nice / so beautiful / She looks / white ................................................................................................................................................... 117. she usually / plays / with her friends. / outside /After school ................................................................................................................................................... 118. They will make a cake because she is _ _ _ _ ry. (nghe) 119. I’m eighteen years old. What _ _ _ _ _ you? 120. What will they visit? - ……….. (nghe) A. A museum B. A zoo C. An aquarium D.A park 121. What does he dream of being? - ……………. (nghe) A. An astronaut B. A pilot C. A singer D. An engineer 122. any / in / the bottle? / water / Is there ................................................................................................................................................... 123. How many / in your / people /family’s / are there ................................................................................................................................................... 124. Can Jack and Brain play the piano? – Yes, _ _ _ _ can. 125. I will _ _ a doctor in the future. 126. How far is it from Ha Noi to Hoa Binh? – It…………………about two hours. A. wants B. goes C. needs D. takes 127. Linda is calling and Emma is ……………….the telephone. A. speaking B. telling C. answering D. saying 128. lessons after school. / playing the guitar and / My brother likes / often has Music / singing so he ................................................................................................................................................... ................................................................................................................................................... 129. than / She / sings / more beautifully / her friend. ................................................................................................................................................... 130. Today, the weather is cold and _ _ _ _ _ . 131. My new friends come from Thailand. They are _ _ _ _ . 132. What is the young girl riding? - ………….. (nghe) A. The bigger horse B. The bigger pony C. The smaller horse D. The bigger car

Helppppppppppppppppppppppppppppppppppppppppppppp (Giúp câu a với)

Vẽmầm vui full line full màu pic kí pic ko nhường idol ai vẽ xấu => NÉ vẽ đpẹ thật đẹp vào