Thiếu đề k

Các bạn học sinh KHÔNG ĐƯỢC đăng các câu hỏi không liên quan đến Toán, hoặc các bài toán linh tinh gây nhiễu diễn đàn (như 1+1 = ?). Online Math có thể áp dụng các biện pháp như trừ điểm, thậm chí khóa vĩnh viễn tài khoản của bạn nếu vi phạm nội quy nhiều lần.

Chuyên mục Giúp tôi giải toán dành cho những bạn gặp bài toán khó hoặc có bài toán hay muốn chia sẻ. Bởi vậy các bạn học sinh chú ý không nên gửi bài linh tinh, không được có các hành vi nhằm gian lận điểm hỏi đáp như tạo câu hỏi và tự trả lời rồi chọn đúng.

Mỗi thành viên được gửi tối đa 5 câu hỏi trong 1 ngày

Các câu hỏi không liên quan đến toán lớp 1 - 9 các bạn có thể gửi lên trang web hoc24.vn để được giải đáp tốt hơn.

Ta có: 16=4.4=4^2.                                            =>x-3=4.// =>x=4+3=7.                                          Vậy x=7

Ex2:Add door does to complte the question

1, which soup/ you/ like? - I /like/chick soup

----> Which soup do you like? - I like chick soup

2, Where/anna/usually go/ in the evening?

---->Where does Anna usually go in the evening?

3, Who/caroland Bill/ vist't/on sunday?

They/visit/their pasents

---->Who did Carol and Bill visit on Sunday? They visited their parents

4, what/ David/usually/ydrink/with/his friend? Usually/drink affoe

----> What does David usually drink with his friends? - He usually drinks affoe

5, when/you/watch tv? I watch tv in the evenig

When do you watch TV?

I .Khoanh vào những từ có cách phát âm không giống với các từ trog câu

1. A . intersection B.history C. bookstore D. eraser

2.Aboots B.toothpaste C.flood D.food

3.A.twice B. swim C.skip D.picnic

4.A.brush B.music C.truck D.bus

5.A.wear B.year C.hear D.near

Rewrite the sentences

1. Someone will tell her which bus to catch. -> She will be told which bus to catch

2 The room is cleaned everyday. -> They clean the room everyday

3 That company will publish a textbook by next years. -> A textbook will be published by that company by next years

4 Shakespeare wrote many famous plays. -> Many famous plays were written by Shakespeare

5 Bill was invited to the party by Ann. -> Ann invited Bill to the party

6 A torm destroyed the small fishing village. -> The small fishing village was destroyed by a torm

7 Hundreds of people visit The Washington Monument every day. -> The Washington Monument is visited by hundreds of people every day

\(\dfrac{5.4^{15}.9^9-4.3^{20}.8^9}{5.2^9.6^{19}-7.2^{29}.27^6}=\dfrac{5.2^{30}.3^{18}-2^2.3^{20}.2^{27}}{5.2^9.2^{19}.3^{19}-7.2^{29}.3^{18}}=\dfrac{2^{29}.3^{18}\left(5.2-3^2\right)}{2^{28}.3^{18}\left(5.3-7.2\right)}=\dfrac{2^{29}.3^{18}}{2^{28}.3^{18}}=\dfrac{2^{29}}{2^{28}}=2^1=2\)

Reorder the words or phrase to make meaningful sentences
1.returned/they/hanoi/after/to/visiting/hue

they returned to hanoi after visiting hue
2.my/they/rented/to/apartment/door/ an/next

they rented an apartment next to my door
3.always/me/she/stamps/she/letters/received/gives/the/from

she always gives me stamps from the letter she received
4.short/stopped/they/the/at/retaurant/fỏ/time/a

they stopped at the restaurant for a short time
5.first/she/the/saw/paddies/this/the/is/time

this is the first time she saw the paddies
6.learn/use/how/the/she/to/machine/sewing

she learns how to use the sewing machine
7.wrote/letters/often/year/I/my/last/pen pal/to

i often wrote letters to my pen pal last year
8.bought/mother/made/my/and/dress/me/the/a/for/material

my mother bought the material and made a dress for me
9taught/some/she/friends/her/vietnamese

she taught her friends some vietnamese

_Đọc và chọn những câu trả lời đúng:

Building

People(0)....................always made buildings. We need houses to keep us warm and dry and we build stadium(1)...............we can watch football matches and pop concerts. We use(2)..................buildings, like museums, to keep beautiful things in.

(3)..................people work together on a building. the architect decides how the building is going to look and draws pictures that show people his or her ideas.Engineers make sure the building will(4)...............strong and safe. Then, he workers carefully buil(5)...........

The Sydney Opera House is a famous morden building with a lovely roof.But the building is beautiful from(6)...........side, not only from the top.There is also a famous roof on the Omlympic Stadium(7)..................Munich.This inresting building looks like a tent that is(8)........of glass.

0. a. having b.has c. have

1. a. or b.but c. so

2. a. other b.each c. another

3.a. much b.more c. many

4.a. be b.was c. been

5. a. them b.it c. her

6.a. some b.every c. both

7.a. in b.on c. from

8.a. made b.make c. making

WORD FORM :

1. Oil leaking from the vessel kill marine _______life_______ ( live )

2. People must have ______responsibility________ for the air pollution ( responsible )

3. They must learn about keeping the environment ______unpolluted______ ( pollute )

4. Solar energy doesn't cause _____pollution_____ ( pollute )

5. That boy did the test very ______quickly____ ( quick )

6. The product is very ______harmful_______ to the environment ( harm )

7. The exhaust fume in the air causes many _______respiratory___ problems ( respire )

8. The price of _____electricity______ has gone up again ( electric )

9. This river is ______polluted______ so it's no safe for us to swim ( pollute )

10. The sky is very ____cloudy_____. The weather is very hot today ( cloud )