题目内容
直接写出下面各题的得数.
|
(1)0.2 +0.3= |
0.12 +0.24= |
1.3 +1.5= |
2.6 +3.1= |
|
(2)0.8 -0.5= |
0.75 -0.13= |
4.6 -3.4= |
7.5 -6.5= |
|
(3)1.5 +2.8= |
3.2 -2.3= |
8.6 -1.4= |
3.3 +1.8= |
答案:0.5,0.36,2.8,5.7;0.3,0.62,1.2,1;4.3,0.9,7.2,5.1
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