-1-(1-0.5)×1/3×[2-(-3)2]【计算过程】-1-(1-0.5)×1/3×[2-(-3)²]

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-1-(1-0.5)×1/3×[2-(-3)2]【计算过程】-1-(1-0.5)×1/3×[2-(-3)²]-1-(1-0.5)×1/3×[2-(-3)2]【计算过程】-1-(1-0.5)×

-1-(1-0.5)×1/3×[2-(-3)2]【计算过程】-1-(1-0.5)×1/3×[2-(-3)²]
-1-(1-0.5)×1/3×[2-(-3)2]【计算过程】
-1-(1-0.5)×1/3×[2-(-3)²]

-1-(1-0.5)×1/3×[2-(-3)2]【计算过程】-1-(1-0.5)×1/3×[2-(-3)²]
-1-(1-0.5)×1/3×[2-(-3)²]
=-1-0.5×1/3×[2-9]
=-1-1/6×(-7)
=-1+7/6
=1/6

-1-(1-0.5)×1/3×[2-(-3)²]
=-1-0.5×1/3×(-7)
=-1+7/6
=1/6