森林医生。
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bfaae78f05262403b5a93001c4bef7d.png)
改正: 改正:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea4a3fb0e439ddf916f40e1896e1f905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bfaae78f05262403b5a93001c4bef7d.png)
改正: 改正:
更新时间:2024-03-24 09:31:28
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【知识点】 分数与整数的乘法
相似题推荐
改错题
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较易
(0.85)
【推荐1】下面的计算对吗?对的画“√”,错的画“×”,并改正。
①
( )改正:
②
+
×![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d86ab7c97cd8a0b15ba5efc1be94230.png)
=1×![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d86ab7c97cd8a0b15ba5efc1be94230.png)
=
( ) 改正:
③4.2×
×![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
=4.2×
+4.2×![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
=3.6+2.8
=6.4 ( ) 改正:
①
![](https://img.xkw.com/dksih/QBM/2020/9/13/2548746147045376/2572944367984640/STEM/50fd95fb-66ab-4cdd-85ba-302018f5a515.png?resizew=185)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6503ca085e3ca5f2ba723b0dd66e210b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69ee3c61d2298e75fc4f1643f8ebc2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d86ab7c97cd8a0b15ba5efc1be94230.png)
=1×
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d86ab7c97cd8a0b15ba5efc1be94230.png)
=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d86ab7c97cd8a0b15ba5efc1be94230.png)
③4.2×
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a4e6eb3663870ed202cc208eaf239dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
=4.2×
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a4e6eb3663870ed202cc208eaf239dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
=3.6+2.8
=6.4 ( ) 改正:
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