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列式计算,能简算的简算(1)2010-4848÷9.6×2.4(2)(-×)÷(3)×[-(-)](4)(++)×12+(5)已知18+[×1.25+(+×12]÷0.125=86,求出横线上应填的数.
题目详情
列式计算,能简算的简算
(1)2010-4848÷9.6×2.4
(2)(
-
×
)÷![](https://www.zaojiaoba.cn/zhidao/pic/item/9345d688d43f879497c6e7e9d11b0ef41bd53a3f.jpg)
(3)
×[
-(
-
)]
(4)(
+
+
)×12+![](https://www.zaojiaoba.cn/zhidao/pic/item/0bd162d9f2d3572c7774171b8913632763d0c367.jpg)
(5)已知18+[
×1.25+(
+________×12]÷0.125=86,求出横线上应填的数.
(1)2010-4848÷9.6×2.4
(2)(
![](https://www.zaojiaoba.cn/zhidao/pic/item/0d338744ebf81a4ce1f6400ed42a6059242da635.jpg)
![](https://www.zaojiaoba.cn/zhidao/pic/item/0d338744ebf81a4ce1f6400ed42a6059242da635.jpg)
![](https://www.zaojiaoba.cn/zhidao/pic/item/c83d70cf3bc79f3ddcb64bf7b9a1cd11738b29a5.jpg)
![](https://www.zaojiaoba.cn/zhidao/pic/item/9345d688d43f879497c6e7e9d11b0ef41bd53a3f.jpg)
(3)
![](https://www.zaojiaoba.cn/zhidao/pic/item/500fd9f9d72a60598d4f71dd2b34349b023bba9e.jpg)
![](https://www.zaojiaoba.cn/zhidao/pic/item/0d338744ebf81a4ce1f6400ed42a6059242da635.jpg)
![](https://www.zaojiaoba.cn/zhidao/pic/item/b21bb051f819861852027f4349ed2e738ad4e6b4.jpg)
![](https://www.zaojiaoba.cn/zhidao/pic/item/0d338744ebf81a4ce1f6400ed42a6059242da635.jpg)
(4)(
![](https://www.zaojiaoba.cn/zhidao/pic/item/4bed2e738bd4b31cf1f8387c84d6277f9f2ff835.jpg)
![](https://www.zaojiaoba.cn/zhidao/pic/item/03087bf40ad162d97b0acedb12dfa9ec8b13cd15.jpg)
![](https://www.zaojiaoba.cn/zhidao/pic/item/8cb1cb1349540923d904ccb99158d109b2de4983.jpg)
![](https://www.zaojiaoba.cn/zhidao/pic/item/0bd162d9f2d3572c7774171b8913632763d0c367.jpg)
(5)已知18+[
![](https://www.zaojiaoba.cn/zhidao/pic/item/c83d70cf3bc79f3ddcb64bf7b9a1cd11738b29a5.jpg)
![](https://www.zaojiaoba.cn/zhidao/pic/item/63d0f703918fa0ec9b48c8ca259759ee3c6ddb6e.jpg)
▼优质解答
答案和解析
(1)2010-4848÷9.6×2.4,
=2010-505×2.4,
=2010-1212,
=798;
(2)(
-
×
)÷
,
=(
)
,
=
,
=2.25;
(3)
×[
-(
-
)],
=
×[
-
],
=
×
,
=0.5;
(4)(
+
+
)×12+
,
=
×12
×12
×12
,
=8+5+(
),
=13+1,
=14;
(5)设要求的数是x,
18+[
×1.25+(
+x×12)]÷0.125=86,
18+[
×1.25+
+12x]÷0.125=86,
18+[1+12x]÷0.125=86,
18+8+96x=86,
26+96x-26=86-26,
96x÷96=60÷96,
x=0.625.
答:要求的数是0.625,
故答案为:798,2.25,0.5,14,0.625.
=2010-505×2.4,
=2010-1212,
=798;
(2)(
![](http://hiphotos.baidu.com/zhidao/pic/item/0d338744ebf81a4ce1f6400ed42a6059242da635.jpg)
![](http://hiphotos.baidu.com/zhidao/pic/item/0d338744ebf81a4ce1f6400ed42a6059242da635.jpg)
![](http://hiphotos.baidu.com/zhidao/pic/item/c83d70cf3bc79f3ddcb64bf7b9a1cd11738b29a5.jpg)
![](http://hiphotos.baidu.com/zhidao/pic/item/9345d688d43f879497c6e7e9d11b0ef41bd53a3f.jpg)
=(
![](http://hiphotos.baidu.com/zhidao/pic/item/342ac65c10385343cb5d9dea9013b07ecb80886e.jpg)
![](http://hiphotos.baidu.com/zhidao/pic/item/fd039245d688d43f8d7e66357e1ed21b0ff43b25.jpg)
=
![](http://hiphotos.baidu.com/zhidao/pic/item/6a63f6246b600c339092c403194c510fd8f9a115.jpg)
=2.25;
(3)
![](http://hiphotos.baidu.com/zhidao/pic/item/500fd9f9d72a60598d4f71dd2b34349b023bba9e.jpg)
![](http://hiphotos.baidu.com/zhidao/pic/item/0d338744ebf81a4ce1f6400ed42a6059242da635.jpg)
![](http://hiphotos.baidu.com/zhidao/pic/item/b21bb051f819861852027f4349ed2e738ad4e6b4.jpg)
![](http://hiphotos.baidu.com/zhidao/pic/item/0d338744ebf81a4ce1f6400ed42a6059242da635.jpg)
=
![](http://hiphotos.baidu.com/zhidao/pic/item/500fd9f9d72a60598d4f71dd2b34349b023bba9e.jpg)
![](http://hiphotos.baidu.com/zhidao/pic/item/0d338744ebf81a4ce1f6400ed42a6059242da635.jpg)
![](http://hiphotos.baidu.com/zhidao/pic/item/d52a2834349b033bfc5a621d16ce36d3d439bd23.jpg)
=
![](http://hiphotos.baidu.com/zhidao/pic/item/500fd9f9d72a60598d4f71dd2b34349b023bba9e.jpg)
![](http://hiphotos.baidu.com/zhidao/pic/item/78310a55b319ebc4fb39ee5e8126cffc1f1716b7.jpg)
=0.5;
(4)(
![](http://hiphotos.baidu.com/zhidao/pic/item/4bed2e738bd4b31cf1f8387c84d6277f9f2ff835.jpg)
![](http://hiphotos.baidu.com/zhidao/pic/item/03087bf40ad162d97b0acedb12dfa9ec8b13cd15.jpg)
![](http://hiphotos.baidu.com/zhidao/pic/item/8cb1cb1349540923d904ccb99158d109b2de4983.jpg)
![](http://hiphotos.baidu.com/zhidao/pic/item/0bd162d9f2d3572c7774171b8913632763d0c367.jpg)
=
![](http://hiphotos.baidu.com/zhidao/pic/item/4bed2e738bd4b31cf1f8387c84d6277f9f2ff835.jpg)
![](http://hiphotos.baidu.com/zhidao/pic/item/8644ebf81a4c510f1cf152d26359252dd52aa5c5.jpg)
![](http://hiphotos.baidu.com/zhidao/pic/item/9d82d158ccbf6c81f8dc3623bf3eb13532fa4015.jpg)
![](http://hiphotos.baidu.com/zhidao/pic/item/d833c895d143ad4b2a6a9d0981025aafa50f06b7.jpg)
=8+5+(
![](http://hiphotos.baidu.com/zhidao/pic/item/63d0f703918fa0ecf5557ec6259759ee3c6ddb6f.jpg)
=13+1,
=14;
(5)设要求的数是x,
18+[
![](http://hiphotos.baidu.com/zhidao/pic/item/c83d70cf3bc79f3ddcb64bf7b9a1cd11738b29a5.jpg)
![](http://hiphotos.baidu.com/zhidao/pic/item/63d0f703918fa0ec9b48c8ca259759ee3c6ddb6e.jpg)
18+[
![](http://hiphotos.baidu.com/zhidao/pic/item/c83d70cf3bc79f3ddcb64bf7b9a1cd11738b29a5.jpg)
![](http://hiphotos.baidu.com/zhidao/pic/item/63d0f703918fa0ec9b48c8ca259759ee3c6ddb6e.jpg)
18+[1+12x]÷0.125=86,
18+8+96x=86,
26+96x-26=86-26,
96x÷96=60÷96,
x=0.625.
答:要求的数是0.625,
故答案为:798,2.25,0.5,14,0.625.
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