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Vì sau khi chuyển số dầu ở can II bằng số dầu ở can III nên dầu ở can II bằng tổng số dầu ở can II và III
Theo bài ra nếu coi số dầu ở can I là phần thì tổng số dầu ở can là phần nên tổng số dầu ở can II và III ứng với số phần là:
(phần)
Số dầu ở can II ứng với số phần là:
( phần)
Số dầu ở can III ứng với số phần là:
(phần)
Hiệu số phần giữa số dầu ở can III và I là:
(phần)
Vì can III nhiều hơn can I là lít nên lít ứng với phần
Giá trị phần là:
(lít)
Số dầu ở can I ban đầu là:
(lít)
Số dầu ở can III ban đầu là:
(lít)
Số dầu ở can II ban đầu là:
(lít)
Vậy can I có lít dầu, can II và III mỗi can có lít dầu
Ex3: Chọn đáp án đúng
1. '___ you swim'? 'Yes, I ___'
A. Can/can
B. Can/can't
2. I'm sorry I ___ help you today, I'm really busy.
A. Can't
B. Can
3. Please ___ you buy some milk on your way home? I ___ leave the house because I'm looking after the baby.
A. Can't/can't
B. Can/can't
4. I ___ ride a bike but I ___ drive a car.
A. Can/can't
B. Can/can
5. I just ___ manage to wake up on time, I'm always late.
A. can
B. can't
6. 'Hello, ___ I help you'? 'Actually, no you ___ this restaurant is awful and we've been waiting here for half an hour. We're leaving'.
A. Can/can't
B. Can't/can
7. I have a special talent, I ___ touch my nose with my tongue ___ you?
A. Can/can
B. Can't/can
8. '___ I go to the bathroom please'? 'Yes, of course you ___.'
A. Can/can't
B. Can/can
9. Look! It's right there!___ you see it? It's so obvious!
A. Can
B. Can't
10. I've never been able to eat breakfast in the mornings. I ___ talk to anyone either!
A. Can't
B. Can
11. I can’t _____ this exercise. It’s too hard for me.
Finishing
Finish
Finished
To finished
12. What can we ______ to help our mother?
Do
To do
Does
Did
1.can
2.can't
3.can't
4.can't
5.can
6.can
7.can
8.can't
9.can't
10.can
1. I (can/can’t) speak French. I picked it up while I was in France.
2. I (can/can’t) come to the party. I am really busy.
3. We (can/can’t) hear you. The music is so loud.
4. Where are my keys? I (can/can’t) find them.
5. I (can/can’t) believe it . We won two million dollars.
6. We (can/can’t) meet tomorrow if you want.
7. (Can/Can’t) make me a cup of tea, please?
8. He (can/can’t) jump. His leg hurt so much.
9. llllterrate people (can/can’t) read and write.
10. Fish (can/can’t) swim.
P/S : Good Luck
~Best Best~
1 we can not go because it is raining
>> if ..................it rains, we can not go...................................................
2 i can not give you a ride because i do not have a motorbike
>> if i ..................have a motorbike , I can give you a ride...................... 3 i am not rich , so i can not buy that house
>> if i ...................am rich , I can buy that house..................................................
1.We can not go because it is raining
=> If it weren't raining, we could go swimming.
2.I can not give you a ride because I do not have a motorbike.
=>If I had a motorbike, I could give you a ride.
3. I am not rich, so I can not buy that house.
=> If I were rich, I could buy that house
điền thêm too, soo , either, neither vào chỗ trống
1.I am a student , and mary is ,......too.....
2. i am twenty , and .....so.....is peter
3. my sister can swim and .....so....can i
4. we can sing , and .....so.....can they
5. peter like tea , and i do,.....too.....
6. we play tennis , and.....so.....do they
7. i can cook - i can,.......too........
8. i drink coffee-......so.....do i
1.I am a student , and mary is ,........... \(\Rightarrow\) too
2. I am twenty , and ..........is peter \(\Rightarrow\) either
3. My sister can swim and .........can i \(\Rightarrow\) so
4. We can sing , and ..........can they \(\Rightarrow\) so
5. Peter like tea , and i do,.......... \(\Rightarrow\) either
6. We play tennis , and..........do they \(\Rightarrow\) so
7. I can cook - i can,............... \(\Rightarrow\) either
8. I drink coffee-...........do i \(\Rightarrow\) so
B. today's.