(-3/4)X(-8+2/3-1/3)=多少?

如题所述

解原式=(-3/4)*(-8)+(-3/4)*(1/3)=23/4
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第1个回答  2010-11-30
(-3/4)X(-8+2/3-1/3)=
=(-3/4X-8)+(-3/4x2/3)-(-3/4X-1/3)
=6-1/2-1/4
=24/4-2/4-1/4
=21/4
=五又四分之一
第2个回答  推荐于2017-09-17
(-3/4)X(-8+2/3-1/3)
=(-3/4)X(-8+1/3)
=(-3/4)X(-8)+(-3/4)X(1/3)
=6-1/4
=5又3/4本回答被提问者采纳
第3个回答  2010-11-30
(-3/4)X(-8+2/3-1/3)
=(-3/4)X(-8+1/3)
=(-3/4)X(-8)+(-3/4)X(1/3)
=6-1/4