计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be228d29bcafcbd8ad201f8d42fd25fc.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be228d29bcafcbd8ad201f8d42fd25fc.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0c84f85393ef5642cd430908c238281.png)
21-22六年级下·黑龙江哈尔滨·期中 查看更多[2]
更新时间:2022-07-02 16:03:41
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【推荐1】观察下列多组算式,并完成下列问题:
与
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与
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与
;
与
;
与
;
与
;
与
;
与
;
(1)请你观察每组式子的规律,再写出一组式子(与已给出的式子不重复)______;
(2)每一组的两个算式之间有什么数量关系?用最简洁的方式写出同一组中两个式子的数量关系:______;
(3)运用上述结论,计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c567caac685452575c15e3d3dc5eed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd163b0116f814a9abdf99952a8b165e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bba0bdc75757a503468d6bc91e52d0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a855002ceac3af5c166a6e1c671834c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/972d45e1f7ef610a7853491af088047d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed3db5ce905a99d6a4b692a20b9a8b28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db9c9fe3dfe88b1f3471102ac1913406.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7602b45a8d8adaaeac35eeedb41d157.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afcf0bc29c0be4283815aa93ea7cf178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a139ba8e91df889c47697903ef8f6522.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ec92a4cfddfe4e1ab49245e47ce087c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b333337a138f7c43dd2cea64ba3711a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e041bedb37997500fce75d3edbcc1c5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1bf8349a0d5f67575a5301349a813dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c12a2c656f887dce53d008f46631885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d62a4c950807e78b0d62ba428b4884c3.png)
(1)请你观察每组式子的规律,再写出一组式子(与已给出的式子不重复)______;
(2)每一组的两个算式之间有什么数量关系?用最简洁的方式写出同一组中两个式子的数量关系:______;
(3)运用上述结论,计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c2f903fe9e69b0980da4adf331651e1.png)
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