1. Numbers written directly.

1/ 16 3/5 1/4 2 2/25 1/9

2. Calculate and fill in.

( 1) 5/32 15/52 5/52

(2) 1/6 5/6 1/6

(3) 2/3 4/3 8/9

3. Solve the equation (process omitted)

x=4/5 x=28 x= 1/2 x= 1

4. How to calculate the following questions simply?

29 7/5 1/4

solve problems

6 cups

Unscientific, 6.25 is greater than 6.

30 years

I didn't do the ability upgrade problem