Establish the following assertions concerning the characteristic of a ring R:a) if there exists an integer k such that ka = 0 for all a E R,then k is divisible by char R;

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Establish the following assertions concerning the characteristic of a ring R:a) if there exists an integer k such that ka = 0 for all a E R,then k is divisible by char R;
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Establish the following assertions concerning the characteristic of a ring R:a) if there exists an integer k such that ka = 0 for all a E R,then k is divisible by char R;
Establish the following assertions concerning the characteristic of a ring R:
a) if there exists an integer k such that ka = 0 for all a E R,then k is divisible by char R;

Establish the following assertions concerning the characteristic of a ring R:a) if there exists an integer k such that ka = 0 for all a E R,then k is divisible by char R;
这个.p=charR是最小的非0正整数使得 na=0对任意a
k>=p 你把k写成k=rp+s(s=p或者s=0 然后s就是0了呗
应该没理解错吧.

建立了以下声明关于环R的特点:
一)如果存在一个正整数k,Ka = 0的所有E R,K是char R整除;