Question

2÷2.5+2.5÷2简算算？

Answer 1

简便计算2÷2.5+2.5÷2
解题思路：四则运算规则（按顺序计算、先算乘除后算加减，有括号先算括号，有乘方先算乘方）即脱式运算（递等式计算）需在该原则前提下进行
解题过程：

2÷2.5+2.5÷2

=4/5+5/4

=（16+25）/20

=41/20

存疑请追问，满意请采纳

Answer 2

依据题意列式计算如下：
2÷2.5+2.5÷2
=20/25+25/20
=4/5+5/4
=16/20+25/20
=41/20
=2又20分之1

Answer 3

＝2.5÷2.5+2÷2
＝1＋1
＝2

Answer 4

2÷2.5+2.5÷2
=20/25+25/20
=4/5+5/4
=16/20+25/20
=41/20

希望采纳，谢谢