• Có tất cả 6 số thập phân
• Các số đó là:

Tổng chiều dài và chiều rộng là:

Chu vi hình chữ nhật là:

(3+2) ×2 =130(m)

5×2=10(phần)

1 phần được số mét là:

130 : 10= 13(m)

Chiều dài là:

👉 Chiều rộng là:

Đáp số: Chiều dài:39m

Chiều rộng: 26m

a) 8,071; 8,01; 7,801; 7,18

b) Làm tròn số bé nhất đến hàng phần mười ta được số:7,2

a) \(\frac{19}{7} + \frac{5}{6}\)= 114/42+35/42=149/42

b) \(\frac{17}{6} - 2\) = 17/6-12/6=5/6

c) \(9 \times \frac{7}{10}\) = 9 × 7/10=63/10

d) \(\frac{11}{7} : \frac{22}{21}\)=11/7× 21/22=11×21 7×22=231/154=33/22=3/2

a)  341 km² = 341 000 ha

b) 129 000 mm² > 12 dm² 9 mm²

c) \(\frac{1}{25}\) ha = 400 m²

a) 4 4/5

b)2 5/8

I do my homework after dinner.

My mother is tall and has long orange hair. She is very beautiful.

It was sunny last Sunday.

My house is near the park. It’s next to a big supermarket.

Yes, I do. I like peacocks because they are colorful and very beautiful.

I do my homework after dinner.

My mother is tall and has long orange hair. She is very beautiful.

It was sunny last Sunday.

My house is near the park. It’s next to a big supermarket.

Yes, I do. I like peacocks because they are colorful and very beautiful.

-The weather is sunny today.

-It's near the cinema.

-I can see the lions and the elephants.

-My favourite animals are rabbits.

-Because they cute.