Current location - Training Enrollment Network - Mathematics courses - Su Jiaoban ninth grade mathematics supplementary exercise page 79 16 answer.
Su Jiaoban ninth grade mathematics supplementary exercise page 79 16 answer.
Solution: Suppose Xiaoming bought X bottles for the first time.

24/x-24/x+2=0.4

The solution is x= 10.

X= 10 is the solution of the equation.

A: Xiaoming bought 10 bottles for the first time.

Exactly. I made it myself and the teacher approved it. That's right.