A * * * has nine rectangles standing together, and 2 is 2 8 of 9? (2/9)+(2/9)+(2/9)+(v)=(8/9)(2/9)×(4)=(8/9)( 1/9)×(8)=(8/9)

1× 3 = 3/5 of 5.

2/3× 6 = 4

5× 15 point 4=4/3

12× 3/8 = 9/2

4× 1/6 =2/3

5× 6 of 9 =10/3

It takes three quarters of a minute for Xiaoguang to write a big character, and it takes 16 minutes to write a big character at this speed.

Uncle Zhang bought eggplant, tomatoes and peppers in a field, and the area of each vegetable is 1 of this field. These three vegetables account for 1 of this land.

A rectangular piece of paper is 25cm long and107cm wide. Is the area of this paper 17.5 cm 2?

Xiaoying walks from home to school 15 minutes. If she walks for 20 minutes on average, the distance from her home to school is 3/4 kilometers.