题目内容
口算下面各题.
|
(1)0.4 +1.2= |
1.3 -0.9= |
3.2 +4.02= |
|
(2)4.6 -2.5= |
1.7 +4.3= |
10.6 -2.7= |
答案:1.6,0.4,7.22;2.1,6,7.9
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题目内容
口算下面各题.
|
(1)0.4 +1.2= |
1.3 -0.9= |
3.2 +4.02= |
|
(2)4.6 -2.5= |
1.7 +4.3= |
10.6 -2.7= |