若y满足不等式组-4

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若y满足不等式组-4若y满足不等式组-4若y满足不等式组-4y满足不等式组-4-y-42+y-40y+4的绝对值=Y+422-Y2-y的绝对值=Y-2所求=(Y+4)-(Y-2)=6...ANS

若y满足不等式组-4
若y满足不等式组-4

若y满足不等式组-4
y满足不等式组-4

-y-4 2+y

-4 0y+4的绝对值=Y+4
22-Y<0 负 =>2-y的绝对值=Y-2
所求=(Y+4) - (Y-2)=6...ANS