So sánh tan 30 độ và sin 30 độ

Tính chu vi và diện tích hình chữ nhật có chiều dài 18cm và chiều rộng kém chiều dài 2cm.

" Trong đầm gì đẹp bằng sen Lá xanh bông trắng lại thêm nhị vàng Nhị vàng, bông trắng, lá xanh Gần bùn mà chẳng hôi tanh mùi bùn" Thông điệp trong bài thơ trên

Giúp em giải câu này với ạ 🙏🙏

Put the verbs in brackets into the Present Simple. 1. I _______________ (not visit) my parents very often. 2. ______________ (Mai/ go) to school every day? ~ No, she (go) __________ to school from Monday to Friday. 3. The teachers at our school ____________ (give) us lots of homework. 4. My brother __________ (play) tennis, but he __________ (not like) it. 5. How often ________________ (they/ go) jogging? 6. We (not study) ______________ chemistry because it (be) ___________ difficult. 7. _______________ (your parents/ watch) TV every night? 8. Mark’s class ____________ (do) sport on Monday and Wednesday. 9. Children often __________ (use) a computer for school work. 10. Mike _____________ (usually/ not play) computer games during the week. III. Put the verbs in brackets into the Present Simple or Future Simple. 1. I ______________ (listen) to music in my free time. 2. It often (rain) ______________ in the summer. 3. Do you think that he ______________ (recognise) me? 4. We ______________ (not want) to see that film because it looks boring. 5. What time __________ the film __________ (begin)? 6. I promise that I ______________ (not be) late for school again. 7. Simon usually ______________ (do) his homework and ______________ (watch) TV at the same time 8. The students ______________ (plant) some flowers in the schoolyard tomorrow. 9. Nam and Vinh______________ (play) volleyball three times a week. 10. The train ______________ (leave) at 6 o’clock in the morning.

tìm X biết 2^x+2^x+1+2^x+2+2^x+3=240

Cho các số 1,2,3,4,5,6,7. Có bao nhiêu số gồm 5 chữ số khác đôi một trong đó phải có mặt các chữ số 1,2,3 đứng kề nhau lấy từ 7 số đã cho

Gíup mk câu 14 vs ạ Mk vote cao cho nhé! Cám ơn trc ạ<33

Bài 1 thực hiện phép tính sau Làm nhanh hộ em bới

86. We (not read)___________________after lunch. 87. Tom (be)___________my friend. He (play)______________sports everyday. 88. ______________your students (play)__________soccer every afternoon? 89. He (go)_____________to bed at 11.30 p.m. 90. They (go)___________home and (have)___________lunch. 91. ___________he (play)__________sports? 92. He (teach)_______________English in a big school in town. 93. Everyday she (go)____________to work by bike. 94. We usually (read)_________books, (listen)_________to music or (watch)_______TV. 95. Sometimes, I (play)__________badminton. 96. Ann (like)____________her job very much. 97. ___________your mother (walk)_________to the market? 98. Look! They (run)_________________________together