The product of a natural number not equal to 0 multiplied by a true fraction must be less than this number The product of two numbers is 1. These two numbers are reciprocal to each other The original price of a coat is 280 yuan, which is reduced by 1 / 5. Now the price is 4 / 5 of the original price A fish weighs four fifths of its weight plus four fifths of its kilogram. This fish weighs one and three fifths of its kilogram The ratio of a, B and C is 1:2:3:5, and B is equal to the average of the three numbers The diameter of a circle increases by 2 cm, and the circumference of a circle also increases by 2 cm A is 5 / 4 meters more than B, B is 5 / 4 meters less than a

The product of a natural number not equal to 0 multiplied by a true fraction must be less than this number The product of two numbers is 1. These two numbers are reciprocal to each other The original price of a coat is 280 yuan, which is reduced by 1 / 5. Now the price is 4 / 5 of the original price A fish weighs four fifths of its weight plus four fifths of its kilogram. This fish weighs one and three fifths of its kilogram The ratio of a, B and C is 1:2:3:5, and B is equal to the average of the three numbers The diameter of a circle increases by 2 cm, and the circumference of a circle also increases by 2 cm A is 5 / 4 meters more than B, B is 5 / 4 meters less than a

The product of a natural number not equal to 0 multiplied by a true fraction must be less than this number
The product of two numbers is 1. These two numbers are reciprocal to each other
The original price of a coat is 280 yuan, which is reduced by 1 / 5. The present price is 4 / 5 of the original price
A fish weighs four fifths of its weight plus four fifths of a kilogram. This fish weighs one and three fifths of a kilogram
The ratio of the three numbers a, B and C is 1:2:3:5, and B is equal to the average of the three numbers
The diameter of a circle increases by 2 cm, and the circumference of a circle also increases by 2 cm
A is 5 / 4 meters more than B, B is 5 / 4 meters less than a