题目内容
直接写出下面各题的得数.
|
(1)2.31 +4.2= |
6.27 +1.5= |
2.23 -2.12= |
|
(2)10.17 -8.8= |
5.51 +4.49= |
12.37 -11.27= |
|
(3)9.7 -8.9= |
6.78 +8.71= |
8.23 +3.77= |
|
(4)6.45 -4.35= |
4.08 +4.2= |
12.09 +9.91= |
答案:6.51,7.77,0.11;1.37,10,1.1;0.8,15.49,12;2.1,8.28,22
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