(1)3x/(x+2)>x+6;(2)x+1+5x^2/(x+2)≥1/(1-x);

Olivia_F2022-10-04 11:39:542条回答

(1)3x/(x+2)>x+6;(2)x+1+5x^2/(x+2)≥1/(1-x);
(3)在数轴上,点A=1,B=-2,P=k,若|PA|=5,则k=____,若|PA|+|PB|=5,则k=____,若|PA|+|PB|

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3466952 共回答了16个问题 | 采纳率: (1)x<2
(2)x<0
(3)6或-4 -3或2 (-3,2)
(4)x>2
(5)x<-5或x>5; 1年前