61.9+16.8-1.9+13.2怎么算?

2026年09月25日 23:35
有5个网友回答
网友(1):

解:
61.9+16.8-1.9+13.2
=(61.9-1.9)+(16.8+13.2)
=60+30
=90

网友(2):

61.9+16.8-1.9+13.2=61.9-1.9+16.8+13.2=60+30=90

网友(3):

61.9+16.8-1.9+13.2=90

网友(4):

61.9+16.8-1.9+13.2
=61.9-1.9+(16.8+13.2)
=60+30
=90

网友(5):

61.9+16.8-1.9+13.2
=61.9-1.9+(16.8+13.2)
=60+30
=90