| 用小数计算下面各题. 3元6角5分+7元5角4分
 | 12吨-8吨40千克 | 
| 6千米50米-3千米500米 | 35千克-9千克500克. | 
人气:311 ℃ 时间:2019-08-21 23:28:31
解答
3元6角5分+7元5角4分,
=3.65元+7.54元,
=11.19元,
12吨-8吨40千克,
=12吨-8.04吨,
=3.96吨,
6千米50米-3千米500米,
=6.05千米-3.5千米,
=2.55千米,
35千克-9千克500克.
=35千克-9.5千克,
=25.5千克.
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