(--3)^2-(1右1\2)^3X2\9-6除 |-2\3|
2个回答
(-3)^2-(1又1/2)^3×2/9-6÷ |-2/3|
=9-(3/2)^3×2/9-6÷(2/3)
=9-(27/8)×2/9-6×3/2
=9-3/4-9
=-3/4
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