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10 tháng 7 2016
Sau ngày đọc thứ nhất, phân số chỉ số trang còn lại là:
1 - 2/7 = 5/7 số trang
Phân số chỉ số trang đọc ngày thứ hai là:
5/7 x 9/20 = 9/28 số trang
44 trang ứng với:
5/7 - 9/28 = 11/28 số trang
Số trang của quyển sách là:
44 : 11/28 = 112 trang
Đáp số : 112 trang
VA
10 tháng 7 2016
P/số chỉ số trang sách ngày thứ 2 đọc đc là
\(\left(1-\frac{2}{7}\right).\frac{9}{20}=\frac{9}{28}\)(tổng số trang)
P/số chỉ số trang sách ngày thứ 3 đọc đc là
\(1-\frac{2}{7}-\frac{9}{28}=\frac{11}{28}\)(tổng số trang)
Quyển sách Hoa đọc đc có số trang là
\(44:\frac{11}{28}=112\)(trang)
Đ/số : 112 trang
Ủng hộ mk nha,chúc bn học tốt!!
6 tháng 5 2017
Milo Murphy's Law I don't know what is your talking about!
5 tháng 8 2016
1. I ..will stay...(stay) here until he answers me.
2. She...won't come.....(not/come) until you are ready.
3.Miss Helen ..will help... (help) you as soon as she finishes that letter tomorrow.
4. Our English teacher ...will explain....(explain) that lesson to us tomorrow.
5. I love London. I ...probably go... (probably /go) there next year.
6. I haven't made up my mind yet. But I think I ...find.... (find) something nice in my mom's wardrobe.
7. Look at these big black clouds! It. ....will rain.... (rain).
8. What does a blonde say when she sees a banana skin lying just a few metres in front OF her? - oh dear! I ...will slip.. (slip).
9.when I retire I ....... (go back) to Barbados to live.
10. Look out! That cup ...will fall off.. (fall of).
11. I ..will visit...(visit) my grandmother next Sunday.
12. Mother: can you repair Tom's bicycle? It has a flat type.
Father: yes,i know. He told me . I .will repair... (repair) italia tomorrow.
13. I have won $1000. I ......will buy. (buy) a new TV.
14. I crashed the company car. My boss ..isn't ..(not/be) very happy .
Bài2: chọn đáp án đúng.
1. I completety forget about this. Give me a moment, I .... do it now.
a. Will b. Am going c. Is going to
2.Tonight, I ...... stay home. I've rented a video.
a. Am going to
b.WILL c. A and b
3.I feel dreadful. I .... sick
a. Am going to be
b. Will be
c. A và b
4. If you have any problem, don't worry. I ..... help you.
a. Will
b. Am going to
c. A vàb
5.Where are you going?
A. I am goingto see a friend
b.I'll see a friend
c. I went to a friend
6.that's the phone. - I ..... answer it.
a.Will
b. Am going to
c. A và b
7. Look at those clouds. It ...... rain now.
a.will
b. Is going to
c. A và b
8. Tea or coffee?
A. I amgoing to haven a tea, please.
b.I'll haven a tea, please
c. I want to drink
9. Thanks for your offer. But I am OK. Shane ..... help me
a. Is going to
b. Will
c. A và b
10. The weather forcast says it ..... rain tomorrow.
a. Is going to
b. Will
c. A và b
5 tháng 8 2016
1. I will stay here until he answers me.
2. She won't come until you are ready.
3.Miss Helen will help you as soon as she finishes that letter tomorrow.
4. Our English teacher will explain that lesson to us tomorrow.
5. I love London. I probably go. there next year.
6. I haven't made up my mind yet. But I think I find something nice in my mom's wardrobe.
7. Look at these big black clouds! It will rain
8. What does a blonde say when she sees a banana skin lying just a few metres in front OF her? - oh dear! I will slip
9.when I retire I will go back to Barbados to live.
10. Look out! That cup will fall off
11. I will visit my grandmother next Sunday.
12. Mother: can you repair Tom's bicycle? It has a flat type.
Father: yes,i know. He told me . I will repair italia tomorrow.
13. I have won $1000. I will buy a new TV.
14. I crashed the company car. My boss isn't very happy .
Bài2: chọn đáp án đúng.
1. I completety forget about this. Give me a moment, I .... do it now.
a. Will b. Am going c. Is going to
2.Tonight, I ...... stay home. I've rented a video.
a. Am going to
b.WILL c. A and b
3.I feel dreadful. I .... sick
a. Am going to be
b. Will be
c. A và b
4. If you have any problem, don't worry. I ..... help you.
a. Will
b. Am going to
c. A vàb
5.Where are you going?
A. I am goingto see a friend
b.I'll see a friend
c. I went to a friend
6.that's the phone. - I ..... answer it.
a.Will
b. Am going to
c. A và b
7. Look at those clouds. It ...... rain now.
a.will
b. Is going to
c. A và b
8. Tea or coffee?
A. I amgoing to haven a tea, please.
b.I'll haven a tea, please
c. I want to drink
9. Thanks for your offer. But I am OK. Shane ..... help me
a. Is going to
b. Will
c. A và b
10. The weather forcast says it ..... rain tomorrow.
a. Is going to
b. Will
c. A và b
DG
14 tháng 7 2016
1 our club has 50 members
2they are beautiful flowers
3tom travels every morning for work
4nam is huong's brother
5k pit
6does your school has 5 floors?
7my town doesn't have any temple
8my father goes to work everyday by his motorbike
9lan goes to school on foot
-45 + 50 = 5
5 nhé bn