问题
填空题
已知2k>3x2+2k是关于x的一元一次不等式,那么k=______不等式的解集是______.
答案
∵2k>3x2+2k是关于x的一元一次不等式,
∴2+2k=1,
解得,k=-
,1 2
∴原不等式可化为-1>3x,
解得,x<-
.1 3
已知2k>3x2+2k是关于x的一元一次不等式,那么k=______不等式的解集是______.
∵2k>3x2+2k是关于x的一元一次不等式,
∴2+2k=1,
解得,k=-
,1 2
∴原不等式可化为-1>3x,
解得,x<-
.1 3
Look at the girl. She is 31 good friend. She is 32 English girl. 33 name is Kate. 34 twelve. My 35 is Fangfang. 36 a Chinese girl. I’m eleven. Kate 37 a small sports collection. She has 38 tennis racket, three basketballs, and five baseballs, but I only 39 a soccer ball. Kate and I both (都) 40 sports every day.
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