(-3/4)X(-8+2/3-1/3)=多少?
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(-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
=(-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
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(-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
=(-3/4)X(-8+1/3)
=(-3/4)X(-8)+(-3/4)X(1/3)
=6-1/4
=5又3/4
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展开全部
(-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
=(-3/4)X(-8+1/3)
=(-3/4)X(-8)+(-3/4)X(1/3)
=6-1/4
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