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1.23131m,获取m的最大值并控制精度范围?

题目应该是没描述清楚,详细再说明下:

问有一个数m,a<m且m<b。a,b是已知数。有x,y,z,j,k,l六个已知数。
要求m*x的乘积小数位控制在j范围内;
要求m*y的乘积小数位控制在k范围内;
要求m*z的乘积小数位控制在l范围内;
求m可以取的最大值?

实际点举个例子比如:
条件1:1<m<1000.
条件2:1.24413124m的小数位要控制在5位以内
条件3:6.3453525m的小数位要控制在2位以内
条件4:19.3452242m的小数要位控制在4位以内
求m的最大值或者m尽量可取的较大值?


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