问题
解答题
口算下面各题.
|
答案
2.5+3.2=5.7; | 0.83-0.5=0.33; | 0.25+0.75=1; | 9.8-4.8=5; | 1.7+0.4=2.1; |
1-0.6=0.4; | 1.2-0.8=0.4; | 0.92-0.9=0.02; | 0.52+0.4=0.92; | 0.47-0.4=0.07. |
口算下面各题.
|
2.5+3.2=5.7; | 0.83-0.5=0.33; | 0.25+0.75=1; | 9.8-4.8=5; | 1.7+0.4=2.1; |
1-0.6=0.4; | 1.2-0.8=0.4; | 0.92-0.9=0.02; | 0.52+0.4=0.92; | 0.47-0.4=0.07. |