(-2)²-(3-5)-根号4+2×(-3)

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(-2)²-(3-5)-根号4+2×(-3)
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(-2)²-(3-5)-根号4+2×(-3)
(-2)²-(3-5)-根号4+2×(-3)

(-2)²-(3-5)-根号4+2×(-3)
(-2)²-(3-5)-根号4+2×(-3)
=4-(-2)-根号4-6
=6-根号-2
所以答案就是6-根号-2