数学-[-(3/2)]+[-(5/6)]应该怎么算求你们了,
问题描述:
数学-[-(3/2)]+[-(5/6)]应该怎么算
求你们了,
答
=3/2-5/6
=9/6-5/6
=4/6
=2/3
答
解:-[-(3/2)]+[-(5/6)]=3/2-(5/6)=2/3
答
-[-(3/2)]+[-(5/6)]
=3/2+(-5/6)
=9/6-5/6
=2/3
答
-[-(3/2)]+[-(5/6)]=3/2-5/6=9/6-5/6=4/6=2/3
答
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