题目内容

【题目】计算下面各题,能简便的用简便方法计算.

117.5÷12.5÷0.8

210.7×[0.6÷(1-0.98)]

310.05÷5+2.01×9

【答案】11.75;(2321;(320.1

【解析】

117.5÷12.5÷0.8

=17.5÷12.5×0.8

=17.5÷10

=1.75

210.7×[0.6÷(1-0.98)]

=10.7×[0.6÷0.02]

=10.7×30

=321

310.05÷5+2.01×9

=2.01+2.01×9

=2.01×1+9

=2.01×10

=20.1

练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网