giúp mình với

1, tính

a, \(\dfrac{7}{3}+[\left(\dfrac{-5}{6}\right)+\left(\dfrac{-2}{3}\right)]\)

b, \(\left(3\dfrac{1}{4}-1\dfrac{1}{3}\right)\div\sqrt{\dfrac{16}{25}}\)

dùng các từ cho sẵn trong khung để hoàn tất các câu

1. you should __________ your room every day.

2. the children like _________ stamps.

3. they are __________ a new play

4. she _________ the violin in the school orchestra.

5. Nam is _________ on the couch.

6. we often __________ to the school cafeteria at recess

giúp mình với

điền từ vào mỗi chỗ trống một chữ cái để tạo thành từ đúng

1. a_ni_er_ _ry

2. c_l_br_t_ _n

3. a_t_v_ty

4. d_ff_r_ _t

5. c_ll_c_i_n

giúp mình với

1, tính

a, \(7\times\sqrt{\dfrac{6^2}{7^2}}-\sqrt{25}+\sqrt{\dfrac{\left(-3\right)^2}{2}}\)

b, \(-\sqrt{\dfrac{64}{49}}-\dfrac{3}{5}\times\sqrt{\dfrac{25}{64}}+\sqrt{0,25}\)

c, \(\sqrt{\dfrac{10000}{5}}-\dfrac{1}{4}.\sqrt{\dfrac{16}{9}}+\sqrt{\dfrac{\left(-3\right)^2}{\left(4\right)}}\)

d, \(\left|\dfrac{1}{4}-\sqrt{0,0144}\right|-\dfrac{3}{2}+\sqrt{\dfrac{81}{169}}\)

1, tính

a, 2⁵ + 8 [(-2)³ : \(\dfrac{1}{2}\)]⁰ - (\(\dfrac{1}{2}\))³ . 2 + (-2)³

b, \(\dfrac{7}{15}-\dfrac{9}{19}-\dfrac{-8}{15}-\dfrac{10}{19}\)

c, \(1\dfrac{1}{3}\div\dfrac{4}{5}+2\dfrac{2}{3}\div\dfrac{4}{5}\)

giải giúp mình với

2, tìm x , y , z ,t

a, \(\dfrac{-4}{5}+\dfrac{1}{5}\div x=\dfrac{-1}{5}\)

b, \(-\left(x-2\right)^3=125\)

tiếp nè các bạn

I. chọn từ có cách phát âm khác nhau với những từ khác (từ in đậm)

a. calculator b. marble c. famous d. erase

a. event b. bell c. relax d. essay

a. bluff b. club c. fun d. junior

a. indoors b. school c. hoop d. shoot

a. equation b. education c. invitation d. dictionarry

II. tìm từ sai sau đó sửa lại (in đậm )

1. To \(\dfrac{\text{make}}{A}\) \(\dfrac{this}{B}\) experiment , you'll \(\dfrac{\text{need}}{C}\) two \(\dfrac{\text{eggs}}{D}\)

2. I \(\dfrac{\text{am}}{A}\) really not interested \(\dfrac{\text{of}}{B}\) \(\dfrac{\text{going}}{C}\) to \(\dfrac{\text{high }}{D}\)school

3.They \(\dfrac{\text{start usually}}{A}\) \(\dfrac{\text{singing}}{B}\) when I am \(\dfrac{trying}{C}\) \(\dfrac{to}{D}\) study.

4. The \(\dfrac{students}{A}\) are \(\dfrac{eating}{B}\) and drinking as \(\dfrac{good}{C}\) as \(\dfrac{chatting}{D}\)

5. She \(\dfrac{likes}{A}\) talking \(\dfrac{to}{B}\) her friends \(\dfrac{about}{C}\) music \(\dfrac{in}{D}\) recess