问题标题:
一道数学简算(987+4097×986)÷(987×4097-3110)怎么简算?
问题描述:
一道数学简算
(987+4097×986)÷(987×4097-3110)
怎么简算?
孙旭回答:
(987+4097×986)÷(987×4097-3110)
=(987+4097×986)÷[(986+1)×4097-3110]
=(987+4097×986)÷[986×4097+1×4097-3110]
=(987+4097×986)÷[976×4097+987]
=1
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