191问答库 > (10-（0.2+6.3)÷0.7)×0.5简便计算？

(10-（0.2+6.3)÷0.7)×0.5简便计算？

2025-03-17 07:04:57
推荐回答（5个）
回答1：

(10-（0.2+6.3)÷0.7)×0.5简便计算？

【10-（0.2+6.3)÷0.7】×0.5
=【10-6.5÷0.7】×0.5
=【10-65/7】×0.5
=5/7×0.5
=5/14

回答2：

[10-（0.2+6.3)÷0.7]×0.5
＝（10-6.5÷0.7）×0.5
＝（70/7-65/7）×0.5
＝5/7×1/2
＝5/14

回答3：

=(10-(0.2÷0.7）+(6.3÷0.7))×0.5
=(10-(0.2÷0.7)+9)×0.5
=(19-（0.2÷0.7）)×0.5
=19×0.5-0.2÷0.7×0.5
=9.5-0.2×0.5÷0.7
=9.5-0.1÷0.7
=9.5-1/7
=8.1

回答4：

原式
＝〔10－6.5÷0.7〕×0.5
＝10×0.5一65／7×1／2
＝5－65／14
＝70／14－65／14
＝5／14

回答5：

直接计算，因为无法简化的，只能按照运算法则，依次计算，然后注意细节即可，因为涉及到乘除等，得算括号，再乘除加减。

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