17一16一15十14十13一12一11十10十9一8一7十6这题怎么做?

2024-12-31 05:18:13
推荐回答(4个)
回答1:

=(17-16)-(15-14)+(13-12)-(11-10)+(9-8)-(7-6)
=1-1+1-1+1-1
=0

回答2:

17一16一15十14十13一12一11十10十9一8一7十6
=(17-16)-(15-14)+(13-12)-(11-10)+(9-8)-(7-6)
=1-1+1-1+1-1
=0

回答3:

回答4:

17-16-15+14+13-12-11+10+9-8-7+6
=(17-16-15+14)+(13-12-11+10)+(9-8-7+6)
=0+0+0

=0