1, a road 100 meters, has been repaired by three fifths. How many meters are left to be repaired?

2. There are 24 boys and 24 girls. How many boys, how many boys and how many girls? How many points are girls less than boys? How many points are girls less than boys? ?

3. The distance between Party A and Party B is 120km, and it has already traveled 50km. It has traveled a fraction of the total distance.

4. Divide a pizza into 8 pieces on average, with the small one eating 1 piece, the small one eating 2 pieces and the small one eating 3 pieces. How much did they each eat? Who eats the most? Who eats the least? How many pizzas are left?

5. Divide a circle into four parts of the same size. 1 is a fraction of this circle? How many parts of this circle are two? How many parts of this circle are three?

One number is a fraction of another number, that is, "one number divided by another number" and "yes" are generally considered as "division" A divided by b equals a of b, and b is not 0.

Fraction algorithm is to convert fractions into decimals. Fractional decimal is an identical deformation, which converts a fraction into a decimal through certain rules. Because every false score can be reduced to an integer or the sum of an integer and a true score, every true score can be differentiated into the simplest score through simplification.