递等式计算。
(1)7.8×101
(2)
÷
×(64-1)
(3)
×[
)]
(4)(
+
)×15×17
(5)1.25×0.32×250
(6)3.5×
+5.5×80%+0.8
(1)7.8×101
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0b07e83788d3bb55ef09d3e7b31245.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b696b79a748797ef1e56fa31ee9a450d.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b696b79a748797ef1e56fa31ee9a450d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eef1e0b134e4b5cfc9ba8dd335b7fa7.png)
(4)(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ee5447f1268cfd1949810ba8db48308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13ef519b156c5fec8b9eb382b4dfccd5.png)
(5)1.25×0.32×250
(6)3.5×
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7294f5ae2a24ff42e84cd9773b2a7287.png)
更新时间:2020-02-09 12:21:54
|
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|
适中
(0.65)
【推荐1】直接写出得数.
5.1-2.29= 3÷
=
+
=
3.9×
=
÷
= 18÷3×
=
0.2×0.8×0.5= 89.12+0.78= (0.15+
)÷3=
6-
-1.6= 0.25×0.7×0.4= 99×0.35+0.35=
5.1-2.29= 3÷
![](https://img.xkw.com/dksih/QBM/2019/4/20/2186692617764864/2240940386156544/STEM/5b95591ea6734e7ba52ecf2240d6b60d.png?resizew=21)
![](https://img.xkw.com/dksih/QBM/2019/4/20/2186692617764864/2240940386156544/STEM/e0d4670c3e9f48f482fcada05ff72dc2.png?resizew=20)
![](https://img.xkw.com/dksih/QBM/2019/4/20/2186692617764864/2240940386156544/STEM/189ac3ddf9094cdf97e9462ed1145b66.png?resizew=19)
3.9×
![](https://img.xkw.com/dksih/QBM/2019/4/20/2186692617764864/2240940386156544/STEM/51dd4fdd4e7d43ed8a70a3844bebb829.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2019/4/20/2186692617764864/2240940386156544/STEM/0006cc9c8e3c4ec9a57ac06f9ecf6d78.png?resizew=20)
![](https://img.xkw.com/dksih/QBM/2019/4/20/2186692617764864/2240940386156544/STEM/ce9cc55336ca4f17b0b66e00da3087a7.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2019/4/20/2186692617764864/2240940386156544/STEM/6d76d4f8db9448038a128b83727d318a.png?resizew=12)
0.2×0.8×0.5= 89.12+0.78= (0.15+
![](https://img.xkw.com/dksih/QBM/2019/4/20/2186692617764864/2240940386156544/STEM/0cc5011b2a1340f892517129fb89ae03.png?resizew=21)
6-
![](https://img.xkw.com/dksih/QBM/2019/4/20/2186692617764864/2240940386156544/STEM/5b95591ea6734e7ba52ecf2240d6b60d.png?resizew=21)
您最近一年使用:0次
计算题-脱式计算
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适中
(0.65)
【推荐2】计算下面各题,能简算的要简算。
①1.68×13.5-1.68×3.5 ②
÷[(
+
)÷
] ③
×(
-
)÷
①1.68×13.5-1.68×3.5 ②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f558992e649b93ee36f37513781311a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7294f5ae2a24ff42e84cd9773b2a7287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/357821e0e5595eaf3028df63d47b2c58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac97e6740365c85ad857aff85cefbe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d86ab7c97cd8a0b15ba5efc1be94230.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6486784415f3537c9a13556c05d893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f16d09692f7b0fb5633964437202d21d.png)
您最近一年使用:0次
计算题-脱式计算
|
适中
(0.65)
【推荐1】下面各题,怎样算简便就怎样算.
(1)7.8×11-7.8
(2)1.25×3.2×0.25
(3)9.05-24.12÷3.6
(4)4.3×1.02
(1)7.8×11-7.8
(2)1.25×3.2×0.25
(3)9.05-24.12÷3.6
(4)4.3×1.02
您最近一年使用:0次
计算题-脱式计算
|
适中
(0.65)
【推荐2】脱式计算,能简算的要简算.
777÷(160-139)×13 48×125×25 158×86+158×16-158×2
5.55+3.62-4.55+2.38 7600÷(76×5) [780÷(128-113)]×103
777÷(160-139)×13 48×125×25 158×86+158×16-158×2
5.55+3.62-4.55+2.38 7600÷(76×5) [780÷(128-113)]×103
您最近一年使用:0次