67.32-(23.54-6.68)+43.54怎么简便运算?

2024-12-04 18:41:10
推荐回答(1个)
回答1:

67.32-(23.54-6.68)+43.54
=67.32-23.54+6.68+43.54
=(67.32+6.68)+(43.54-23.54)
=74+20
=94