1.
直接写出得数。
|
5x+8x= |
10m-m= |
x-0.5x= |
5n+7n= |
|
2y-0.7y= |
y×6×y= |
（a+b）×8= |
8-a×5= |
|
n+1.8n= |
7a+6a-10= |
13.7b+3b= |
11+3.6m-2m= |
【考点】
含字母式子的化简与求值;
