Plan to finish a book in 9 days and finish it in 7 days. How much more do you actually read than you plan? Plan to finish a book in 9 days and finish it in 7 days

Plan to finish a book in 9 days and finish it in 7 days. How much more do you actually read than you plan? Plan to finish a book in 9 days and finish it in 7 days

1/7-1/9=2/63

Li Ning read 5 / 9 of a book in 7 days. What is the average daily reading rate of this book?

5 out of 63

Xiao Lin plans to finish reading an extra-curricular book in nine days. What percentage of the book can he read in four days?

4 △ 9 = four out of nine days can read four out of nine of this book

Xiaoming plans to finish a Book of 2oo pages in 20 days, and he has read several parts of the book in 9 days

Nine out of twenty

Xiao Hong read two-thirds of a book in six days. How many parts of the book does she read every day on average? How many days does it take to finish the book if the speed remains the same?

On average, 2 / 3 / 6 = 1 / 9 of reading this book every day
It takes 9 days to finish reading this book
If you don't understand, you can ask_ ∩)o

Xiaohua has read two fifths of a book, and the rest is ready to finish in six days. How many fifths of the book does he read every day

After reading 2 / 5, there are 3 / 5 left = 0.6, 06 divided by 6 = 0.1 = 1 / 10, and then finish reading one tenth of the book every day

Xiaohong read 25% of a book in 8 days, and prepared to finish the rest in 6 days. What percentage of the book does she read every day?

(1-25) △ 6, = 35 △ 6, = 110; a: an average of 110

Xiao Hong read 1 / 3 of a book in 4 days. According to this calculation, how many parts of a book does she read in 6 days? How many times does it take to finish reading this book

Let the number of pages in a book be one
How many parts of a day's reading: 1 / 3 divided by 4 = 1 / 12
How many parts of reading in six days: 1 / 12 times 6 = 1 / 2
How many days: 1 divided by 1 / 12 = 12 (days)

Dad and Xiaojun share the cake, Xiaojun eats three seventh of it, Dad eats four seventh of it, Xiaojun eats daddy's ()
Come on!

Dad and Xiaojun share the cake. Xiaojun eats three seventh of it, Dad eats four seventh of it, and Xiaojun eats three fourths of it

Xiaojun's birthday, my mother bought a cake, cut 13 to Xiaojun, Xiaojun only ate 12 of them, Xiaojun ate how much of the whole cake?

13 × 12 = 16; a: Xiaojun ate 16% of the whole cake