21.36÷0.8-12.9 脱式

2024-12-14 11:50:25
推荐回答(3个)
回答1:

=26.7一12.9
=13.8

回答2:

21.36÷0.8-12.9
=26.7-12.9
=13.8

回答3:

=26.7-12.9
=13.8