题目内容
口算.
(1)0.2 +0.7= |
(2)0. 9-0.6= |
(3)6.2 +3= |
(4)1 -0.3= |
(5)0.4 +0.6= |
(6)0.9 -0.2= |
(7)4.5 +2.1= |
(8)8.9 -6.7= |
答案:0.9;0.3;9.2;0.7;1;0.7;6.6;2.2
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题目内容
口算.
(1)0.2 +0.7= |
(2)0. 9-0.6= |
(3)6.2 +3= |
(4)1 -0.3= |
(5)0.4 +0.6= |
(6)0.9 -0.2= |
(7)4.5 +2.1= |
(8)8.9 -6.7= |