问题 填空题

比较下面两个积的大小:A=9.5876×1.23456,B=9.5875×1.23457,则A______B.

答案

A-B

=9.5876×1.23456-9.5875×1.23457,

=9.5875×1.23456+0.0001×1.23456-(9.5875×1.23456+9.5875×0.00001),

=0.0001×1.23456-0.001×0.95875,

=0.0001×(1.23456-0.95875),

=0.0001×0.27581,

=0.000027581,

0.000027581>0,

所以:A>B.

故答案为:>.

单项选择题
问答题 简答题