2又5分之2+4分之3×1又3分之2-10分之7
=2又2/5+5/4-7/10
=2.4+1.25-0.7
=3.65-0.7
=2.95这道题怎么做:2又5分之2+4分之3×1又3分之2-10分之72又5分之2+4分之3×1又3分之2-10分之7=2又2/5+5/4-7/10=2.4+1.25-0.7=3.65-0.7=2.95
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