问题标题:
数学简便运算:2000/2001×2002
问题描述:
数学简便运算:2000/2001×2002
常思勤回答:
2000/2001×2002
=2000/2001×(2001+1)
=2000/2001×2001+2000/2001×1
=2000+2000/2001
=2000又2000/2001
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