viết một đoạn văn :which contest do you want to try?

tính nhanh

\(\dfrac{1}{3\cdot5}\)+\(\dfrac{1}{5\cdot7}\)+ \(\dfrac{1}{7\cdot9}+\)\(\dfrac{1}{9\cdot11}+\dfrac{1}{11\cdot13}\)

bk

Cảm ơn học 24 và mn trong nhờ có mọi người và hoc24 mình biêt học toán hơn

1)\(\dfrac{-3}{4}\)-x=0.25

2)x:4\(\dfrac{1}{3}\)=-2.5

funnest

hãy chọn những từ sau để điền vào chỗ trống: after, classes, days, girls, home, housework, music, quarter, shower, timetable :::::::::
1. What time do you finish ....classes...., Trung??
2. I don't have my ...timetable...... What do we have today??
3. Ba gets up at six and takes a .....shower..... /
4. My farther goes ....home..... at four forty in the afternoon //////
5. Do you listen to .....music... in the evening?
6. Minh's sister does the ...housework..... every morning
7. What does Nam do ....after...... school???
8. We go to bed at a ....quarter...... to eleven
9. Do ...girls.... in your class play soccer???
10. There are seven ....days.... in a week

withnhớ tick nha