dung hay sai
1+9 > 1+3
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1* 3 * 5* 7 * 9 * 11 = 1946 là sai
tk mk nha
hihi <3 nhiều ạ !!!
k kia sai vì có các chữ số lẻ mà có 1 chữ số 5 nên có tận cùng là 5 mới đúng mà có tận cùng là 6 nên sai
V. Tìm và sửa lỗi sai
1. What does they wear at their school? - do
2. Do he go to the library every week? - Does
3. Windy always watch TV at 9 p.m before going to bed at 10 p.m. - watches
4. Sometimes, we goes swimming together with her family. - go
5. How does Linda carries such a heavy bag? - carry
1. What does they wear at their school? ⇒ do
2. Do he go to the library every week? ⇒ Does
3. Windy always watch TV at 9 p.m before going to bed 10 p.m. ⇒ at 10 p.m
4. Sometim, we goes swimming together with her family. ⇒ go
5. How does Linda carries such a heavy bag? ⇒ carry
1,What does-> do they wear at their school?
2,Do -> Does he go to the library every week?
3,Windy always watch -> watches TV at 9 p.m before going to bed at 10 p.m.
4,Sometimes, we goes-> go swimming together with her family.
5,How does Linda carries -> carry such a heavy bag?
1 was => have been
2 on => in
3 in => at
4on => at
5 to => on
6 on => at
7 in => on
8 on => in
9 in => at
10 at => on
đúng
vì 10>4
Ta có :
1+9 = 10
1+3 = 4
Mà 10 > 4
=> 1+9 > 1+4
=> Bất đẳng thức trên đúng
Hok tốt !!!