3.6*1.25+0.32/0.4怎样运用简便运算

分类: 作业答案 • 2022-05-25 18:34:45

问题描述：

答

=3.6*1.25+32/40
=3.6*1.25+0.8
=(4*0.9)*1.25+0.8
=4*1.25*0.9+0.8
=5*0.9+0.8
=4.5+0.8
=5.3