9+8-7×6÷5+4-3×2÷1

2025-05-18 06:12:21
推荐回答(4个)
回答1:

=9+8-42÷5+4-3×2÷1
=9+8-8.4-3×2÷1
=9+8-8.4-6÷1
=9+8-8.4-6
=17-8.4-6
=8.6-6
=2.6

回答2:

 

回答3:

 

回答4: