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12 tháng 4 2024

   46,78 - 23,4 x 0,88 + 53,22 - 23,4 x 0,12

= (46,78 + 53,22) - (23,4 x 0,88 + 23,4 x 0,12)

= 100 - 23,4 x (0,88 + 0,12)

= 100 - 23,4 x 1

= 100 - 23,4 

= 76,6

 

12 tháng 4 2024

trả lời nhanh giúp mình với ạ

12 tháng 4 2024

12 tháng 4 2024

Đây là toán nâng cao chuyên đề trung bình cộng, cấu trúc thi chuyên, thi học sinh giỏi các cấp, thi violympic. Hôm nay Olm.vn sẽ hướng dẫn các em giải chi tiết dạng này như sau:

                          Giải:

Ngày thứ hai bán được số gạo là: 1,7 + 0,6 = 2,3 (tấn)

Cả hai ngày thứ nhất và ngày thứ hai bán được số gạo là:

            1,7 + 2,3 = 4 (tấn)

Theo bài ra ta có sơ đồ:

Theo sơ đồ ta có: 

Ngày thứ ba bán được số gạo là: (4 + 0,5):2 + 0,5 = 2,75 (tấn)

Đáp số: 2,75 (tấn)

12 tháng 4 2024

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Đọc tiếp

What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?

 

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21 tháng 4 2024

What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What...
Đọc tiếp

What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?What food is not good for your health?

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14 tháng 4 2024

????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????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12 tháng 4 2024

trả lời ở dưới:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

hahahaha

12 tháng 4 2024

\(\dfrac{9}{14}\times y=\left(\dfrac{5}{7}-\dfrac{3}{14}\right)\times\dfrac{4}{7}\)

\(\dfrac{9}{14}\times y=\dfrac{1}{2}\times\dfrac{4}{7}\)

\(\dfrac{9}{14}\times y=\dfrac{2}{7}\)

\(y=\dfrac{2}{7}\div\dfrac{9}{14}\)

\(y=\dfrac{2}{7}\times\dfrac{14}{9}\)

\(y=\dfrac{4}{9}\)

Vậy \(y=\dfrac{4}{9}\)

12 tháng 4 2024

1. many

2.much

3.many

4. much

5.many

6.much

7.many

8. many

9. much

10. much

Chúc bạn học tốt

12 tháng 4 2024

1. many 

2. much 

3 many 

4 much 

5. many 

6. much 

7. many

8. many

9. much 

10. much 

Kết quả đó 

Bài 4:

1ha=10000m2

Diện tích phần còn lại là:

\(10000\left(1-\dfrac{1}{4}\right)=10000\times\dfrac{3}{4}=7500\left(m^2\right)\)

Bài 3:

a: Đ

b: S

c: S

d: Đ

e: Đ

f: S

Bài 2:

a: \(3km^2=3000000m^2\)

\(5hm^2=50000m^2\)

\(7dam^2=700m^2\)

\(50dm^2=0,5m^2;1200cm^2=0,12m^2;15000mm^2=0,015m^2\)

b: \(10k^2=1000ha\)

\(400dam^2=4ha\)

\(90000m^2=9ha\)

\(0,105km^2=10,5ha\)

\(35dam^2=0,35ha\)

\(3540m^2=0,354ha\)

12 tháng 4 2024

Làm nhanh giúp mik