问题 解答题

比较下面左右两个乘积的大小(填“>”、“<”或“=”)

987654321×123456789______987654322×123456788.

答案

987654321×123456789,

=987654321×(123456788+1),

=987654321×123456788+987654321,

987654322×123456788,

=(987654321+1)×123456788,

=987654321×123456788+123456788,

因987654321×123456788+987654321>987654321×123456788+123456788,

所以987654321×123456789>987654322×123456788.

故答案为:>.

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