7/8-(5/6+1/8)
=7/8-1/8-5/6
=6/8-5/6
=3/4-5/6
=9/12-10/12
=-1/12
你的题目应该是如下,如果是下面的算式就能简便运算
7/8-(5/6-1/8)
=7/8+1/8-5/6
=1-5/6=1/6
7/8-(5/6+1/8)
=7/8-1/8-5/6
=3/4-5/6
=-1/12
本题已解答,满意
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7/8-(5/6+1/8)
=(7/8-1/8)-5/6
=3/4-5/6
=-(10/12-9/12)
=-1/12
7/8-括号5/6+1/8括号怎么算
=7/8-1/8-5/6
=3/4-5/6
=9/12-10/12
=-1/12