12mm=...dm              7 ,3 kg =...g

4,65 m = ...dm           0,95 kg =... g 

3500g=....kg 

Hình vuông có diện tích là 81cm2. Một hình chữ nhật có chu vi bằng chu vi hình vuông và chiều dài hơn chiều chiều rộng 8 cm.Tìm chiều dài.❤

Nhớ vẽ sơ đồ đày đủ nha .I ❤ You .Sắp thi học kì chúc mn có 1 điểm tốt nha .

Exercise 1.

Fill in the blank with " by , from , to , on , in , at " .

1.They will have dinner .............. Tuan Chau Island .......... Sunday   2. She will play badminton .......... .... the beach .

3. We will be ........... home tomorrow .

4. The party will last ........... 7 p.m ........... 8 p.m .

5. I will be ten years old ................ my next birthday

6. My brother and I will be ............. the sea .

7. Will you be ...... ........ the seaside next week ?

8. Her birthday is ............. the fifth of May . .

Exercise 10. Read and fill in the blank with ONE word . My name is Hoa . It's only a week until my summer holiday ! My family will visit Nha Trang next weekend . We will set off at 6 o'clock after getting up and it will take us one hour to get there by coach . In the morning , my parents will sunbathe in the sun and swim in the sea . My two brothers will build sandcastles on the beach . I will lie on the sand and listen to music . Then , I will have lunch in a nice restaurant by the sea . In the afternoon , my parents will go on a boat cuise . My two brothers and I will play volleyball on the beach . After that , we will enjoy seafood together in the evening . 1. Her family will ..... ..Nha Trang next weekend . ............ o'clock in the morning .

2. They will get there at ...

3. In the morning , her parents will ....... ..and ....

4. In the morning , her brothers will build ...

5. They will eat lunch in a ......  

Đề bài hãy đổi những từ sau thành một câu có ý nghĩa hoàn chỉnh

7. be / will / next / the / she / on / beach / weekend / ?

8. and / I / brother / think / school / my / I / be / at / will / .

9. have / dinner / seafood / for / we / will / and noodles /.

Nhanh giúp mình đi ạ 😣😣

Giải bài toán theo tóm tắt sau

3 ngày :1200 cây cam 

15 ngày:...? cây cam