数学-[-(3/2)]+[-(5/6)]应该怎么算求你们了,

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/05 18:09:22
数学-[-(3/2)]+[-(5/6)]应该怎么算求你们了,

数学-[-(3/2)]+[-(5/6)]应该怎么算求你们了,
数学-[-(3/2)]+[-(5/6)]应该怎么算
求你们了,

数学-[-(3/2)]+[-(5/6)]应该怎么算求你们了,
先算小括弧里的 再算大括弧里的
比如-[-(3/2)]化简为-(-3/2)
得到结果为3/2
[-(5/6)]则为(-5/6)
结果为3/2+(-5/6)
=3/2-5/6
=2/3

-[-(3/2)]+[-(5/6)]=3/2-5/6=9/6-5/6=4/6=2/3

=3/2-5/6
=9/6-5/6
=4/6
=2/3

解:-[-(3/2)]+[-(5/6)]=3/2-(5/6)=2/3

-[-(3/2)]+[-(5/6)]
=3/2+(-5/6)
=9/6-5/6
=2/3