3.47×（3.75-2.5）+4.53×1.25

分类: 作业答案 • 2022-02-22 11:14:21

问题描述：

答

=3.47×1.25+4.53×1.25
=（3.47+4.53）×1.25
=8×1.25
=10

答

3.47X（3.75—2.5）+4.53x1.25
=3.75x1.25+4.53x1.25
=1.25x(3.47+4.53)
=1.25x8
=10

答

3.47×（3.75-2.5）+4.53×1.25
=3.47×1.25+4.53×1.25
=（3.47+4.53）×1.25
=8*1.25
=10