y=x-2分之根号x²-4加根号4-x²再加3.求9x+8y的值.
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y=x-2分之根号x²-4加根号4-x²再加3.求9x+8y的值.
y=x-2分之根号x²-4加根号4-x²再加3.求9x+8y的值.
y=x-2分之根号x²-4加根号4-x²再加3.求9x+8y的值.