题目内容

【题目】2.5×1.9×4=××1.9 32×10.1=32×(+)=×+×

【答案】2.5;4;10;0.1;32;10;32;0.1
【解析】解:2.5×1.9×4, =(2.5×4)×1.9,
=10×1.9,
=19;
32×10.1,
=32×(10+0.1),
=32×10+32×0.1,
=320+3.2,
=323.2;
所以答案是:2.5,4;10,0.1,32,10,32,0.1.

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