6.28-3.49+2.72怎样用简便方法计算?

2025-03-23 17:50:00
推荐回答(3个)
回答1:

6.28-3.49+2.72

=6.28+2.72-3.49

=9-3.49

=5.51

望采纳,谢谢谢谢!!

回答2:

6.28+2.72-3.49
=9-3.49
=5.51

回答3:

先加构成整数,然后算减法