1 . 计算,怎样简便就怎样算。
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cdc90309620cacbc0262c0d72952fe8.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25155972dc55911d1759b6c56a8ad66b.png)
(3)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cdc90309620cacbc0262c0d72952fe8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25155972dc55911d1759b6c56a8ad66b.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbf4d9b21aab3bddeccc2e03b1c22b43.png)
您最近一年使用:0次
2020-04-03更新
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312次组卷
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5卷引用:2019-2020学年北京版数学六年级下册《数与代数》专项训练卷1
2 . 下列各题,怎样简便就怎样算。
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77da8cdf613a14148298eea100166017.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82035f220f68081bcb2c646b4ef7af19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77da8cdf613a14148298eea100166017.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b41ef351b23b51a448cdb498be3e12e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4307d2660c15ac8e6d1ca3d227c2f8c.png)
您最近一年使用:0次
2020-01-25更新
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202次组卷
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4卷引用:2019-2020学年北京版数学六年级下册《数与代数》专项训练卷2