The math final exam is coming. In order to make the seventh-grade students better prepare for the final exam, here are the seventh-grade math final exam papers I carefully arranged for you, for reference only.

Seventh grade math final exam questions

First, multiple-choice questions (3 points for each small question, 30 points for * * *)

1. If +20% means an increase of 20%, then -6% means ()

A. increase14% B. increase 6% C. decrease 6% D. decrease 26%

2. If the solution of equation 2m = x-3m-2 about x is x=5, then the value of m is ().

A.B. C. D。

3. The following judgment is wrong ()

A. if x