bn ơi cho mk xin đề bài

72,8+x=109,25

         x=109,25-72,8

         x=36,45

1. i listen to music

2. i phay game

3. yes, i do

4. everyday

\(\dfrac{19981998}{20202020}\)=\(\dfrac{19981998:10001}{20202020:10001}\)=\(\dfrac{1998}{2020}\)=\(\dfrac{1998:2}{2020:2}\)=\(\dfrac{999}{1010}\)

1.Every morning, Thu(get)..gets.........up at 6 o'clock. She (have).. ...has.......breakfast at     6.10. After breakfast she (brush)...brushes..........her teeth.She (go)...goes............to school     at 6.30. She (have) ...has......... lunch at 11.30 at school. 

2.We ( watch) .watch...........television every evening.

Tính nhanh:

1/2+1/4+1/8+1/16+...+1/256

Tính nhanh:

0,1 + 0,2 + 0,3 +...+0,9 + 0,10