But I will write the above answer to you.

Multiple choice questions: a, b, d.

Fill in the blank: 45x+ 15x= 120.

x-2=30/2-x+ 1

Calculation problem: 6-1-37/10-9/511013/2.

Application problem: win 5 games

A bought 25 yuan and B bought 75 yuan.

This year, the deposit is 30 million, and this year's demand is 4.5 million.

A and b are 450 kilometers apart.

1984.。

I hope it helps you. . .

Summarize and think about the answers.

Multiple choice questions are all B.