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怎么写要算式
1个回答
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(-3又2/3)-(-2又3/4)-(-1又2/3)-(+1.75)
=(-3又2/3+1又2/3)+(2又3/4-1.75)
=-2+1
=-1
0-1/2-(-3/4)+(-5/6)-2/3
=(-1/2+3/4)+(-5/6-2/3)
=1/4-1又1/2
=-1又1/4
=(-3又2/3+1又2/3)+(2又3/4-1.75)
=-2+1
=-1
0-1/2-(-3/4)+(-5/6)-2/3
=(-1/2+3/4)+(-5/6-2/3)
=1/4-1又1/2
=-1又1/4
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