(-2/3)-(+1/3)等于多少是应该等于负的三分之一,还是应该等于负1,
问题描述:
(-2/3)-(+1/3)等于多少
是应该等于负的三分之一,还是应该等于负1,
答
--1
答
原式=-(2/3+1/3)
=-1
答:等于-1.
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答
(-2/3)-(+1/3)
=(-2/3)+(-1/3)
=-1
答
(-2/3)-(+1/3)
=(-2/3)-(1/3)
=-[(2/3)+(1/3)]
=-1