简算3.6÷[0.25×(17.3+30.7)]

分类: 作业答案 • 2022-01-03 09:48:39

问题描述：

答

3.6÷[0.25×(17.3+30.7)]
=3.6÷[0.25×48]
=3.6÷[0.25×40+0.25×8]
=3.6÷[10+2]
=3.6÷12
=3.6÷4÷3
=0.9÷3
=0.3