alicia keys怎么读:-(1/2)-(26/5)-1+(16/5)-4.5+(7/3)=?
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劳烦破费一张验算纸!!
-(1/2)-(26/5)-1+(16/5)-4.5+(7/3)
=-(0.5+4.5)-(26/5-16/5)+(7/3-1)
=-5-2+4/3
=-17/3
-17/3
-17/3
-17/3
-82/15
-17/3
-(1/2)-(26/5)-1+(16/5)-4.5+(7/3)
=-(0.5+4.5)-(26/5-16/5)+(7/3-1)
=-5-2+4/3
=-17/3
-17/3
-17/3
-17/3
-82/15
-17/3