aaa aaa = a x111111 = a x 15873 x 7 chia hết cho 7

nên aaa aaa lun chia hết cho 7

tk mk nha

25 - ( 11 + x ) = x - ( 34 - 18 )

25 -  11 + x  = x - 16

14 + x = x - 16

x - 16 + x = 14

2x - 16 = 14

2x = 14 + 16

2x = 30

x = 30 : 2

x = 15

1. Qualified

2. Selflessness

65,1

Tk mình tk lại

làm thừa rồi mấy bạn ơi,trung bình cộng có nghĩa là đã chia 2 rồi cần j phải tìm tổng nữa

1. Are top musicians studying => have top musicians studied

2. Don't touch => won't touch

3. Is doing => does

4. Does Christine listen => is Christine listening

5. Am usually buying => usually buy

6. Is starting => will start

7. Does our team win => will our team win

8. Are enjoying => enjoy

1. Work

2. Don't go

3. Is getting

4. Is Gary ever talking

5. Hit

6. Read

7. Do you practise

8. Are doing

9. Knows

10. Do you spell

123456789 x 123 = 15185185047

= 17912889

1+1=2

tk mk nha mk tk bạn rùi đó