Current location - Training Enrollment Network - Mathematics courses - 20 15 answers to 22 questions in the senior high school entrance examination of mathematics in Fujian province.
20 15 answers to 22 questions in the senior high school entrance examination of mathematics in Fujian province.
A businessman sold two clothes at the price of 120 yuan, one made a profit and the other lost. In this transaction, the businessman ().

A. earn 16 yuan B. pay 16 yuan C. don't earn, don't lose D. can't be sure.

Answer b

In the following equation, belongs to the linear equation is ()

A.B. C. D。

Answer b

If the equation holds, it is equal to ()

15 b . 16 c . 17d . 34

Answer b